X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=pod%2Fperldiag.pod;h=240ebcc3a7b00dd0a6714657f9e50e9ea22036fd;hb=1294c5d8aacbdf3e788f97f257074bdd2bf02fd9;hp=8cc294533692569545e475179d007271a058c39e;hpb=748a93069b3d16374a9859d1456065dd3ae11394;p=p5sagit%2Fp5-mst-13.2.git diff --git a/pod/perldiag.pod b/pod/perldiag.pod index 8cc2945..240ebcc 100644 --- a/pod/perldiag.pod +++ b/pod/perldiag.pod @@ -13,15 +13,16 @@ desperation): (F) A fatal error (trappable). (P) An internal error you should never see (trappable). (X) A very fatal error (non-trappable). + (A) An alien error message (not generated by Perl). Optional warnings are enabled by using the B<-w> switch. Warnings may -be captured by setting C<$^Q> to a reference to a routine that will be +be captured by setting C<$SIG{__WARN__}> to a reference to a routine that will be called on each warning instead of printing it. See L. Trappable errors may be trapped using the eval operator. See L. Some of these messages are generic. Spots that vary are denoted with a %s, -just as in a printf format. Note that some message start with a %s! +just as in a printf format. Note that some messages start with a %s! The symbols C<"%-?@> sort before the letters, while C<[> and C<\> sort after. =over 4 @@ -32,6 +33,14 @@ The symbols C<"%-?@> sort before the letters, while C<[> and C<\> sort after. to try to declare one with a package qualifier on the front. Use local() if you want to localize a package variable. +=item "my" variable %s masks earlier declaration in same scope + +(S) A lexical variable has been redeclared in the same scope, effectively +eliminating all access to the previous instance. This is almost always +a typographical error. Note that the earlier variable will still exist +until the end of the scope or until all closure referents to it are +destroyed. + =item "no" not allowed in expression (F) The "no" keyword is recognized and executed at compile time, and returns @@ -51,7 +60,7 @@ way. See L. =item %s (...) interpreted as function (W) You've run afoul of the rule that says that any list operator followed -by parentheses turns into a function, with all the list operators arguments +by parentheses turns into a function, with all the list operators arguments found inside the parens. See L. =item %s argument is not a HASH element @@ -98,6 +107,30 @@ before it could possibly have been used. (F) The final summary message when a C succeeds. +=item %s: Command not found. + +(A) You've accidentally run your script through B instead +of Perl. Check the E#!E line, or manually feed your script +into Perl yourself. + +=item %s: Expression syntax. + +(A) You've accidentally run your script through B instead +of Perl. Check the E#!E line, or manually feed your script +into Perl yourself. + +=item %s: Undefined variable. + +(A) You've accidentally run your script through B instead +of Perl. Check the E#!E line, or manually feed your script +into Perl yourself. + +=item %s: not found + +(A) You've accidentally run your script through the Bourne shell +instead of Perl. Check the E#!E line, or manually feed your script +into Perl yourself. + =item B<-P> not allowed for setuid/setgid script (F) The script would have to be opened by the C preprocessor by name, @@ -108,6 +141,10 @@ which provides a race condition that breaks security. (F) Perl can't peek at the stdio buffer of filehandles when it doesn't know about your kind of stdio. You'll have to use a filename instead. +=item 500 Server error + +See Server error. + =item ?+* follows nothing in regexp (F) You started a regular expression with a quantifier. Backslash it @@ -115,7 +152,7 @@ if you meant it literally. See L. =item @ outside of string -(F) You had a pack template that specified an absolution position outside +(F) You had a pack template that specified an absolute position outside the string being unpacked. See L. =item accept() on closed fd @@ -125,7 +162,11 @@ the return value of your socket() call? See L. =item Allocation too large: %lx -(F) You can't allocate more than 64K on an MSDOS machine. +(X) You can't allocate more than 64K on an MSDOS machine. + +=item Allocation too large + +(F) You can't allocate more than 2^31+"small amount" bytes. =item Arg too short for msgsnd @@ -194,10 +235,16 @@ could indicate that SvREFCNT_dec() was called too many times, or that SvREFCNT_inc() was called too few times, or that the SV was mortalized when it shouldn't have been, or that memory has been corrupted. +=item Attempt to use reference as lvalue in substr + +(W) You supplied a reference as the first argument to substr() used +as an lvalue, which is pretty strange. Perhaps you forgot to +dereference it first. See L. + =item Bad arg length for %s, is %d, should be %d (F) You passed a buffer of the wrong size to one of msgctl(), semctl() or -shmctl(). In C parlance, the correct sized are, respectively, +shmctl(). In C parlance, the correct sizes are, respectively, S, S and S. @@ -214,7 +261,13 @@ did it in another package. =item Bad free() ignored (S) An internal routine called free() on something that had never been -malloc()ed in the first place. +malloc()ed in the first place. Mandatory, but can be disabled by +setting environment variable C to 1. + +This message can be quite often seen with DB_File on systems with +"hard" dynamic linking, like C and C. It is a bug of +C which is left unnoticed if C uses I +system malloc(). =item Bad name after %s:: @@ -245,6 +298,12 @@ wasn't a symbol table entry. (P) An internal request asked to add a hash entry to something that wasn't a symbol table entry. +=item Badly placed ()'s + +(A) You've accidentally run your script through B instead +of Perl. Check the E#!E line, or manually feed your script +into Perl yourself. + =item BEGIN failed--compilation aborted (F) An untrapped exception was raised while executing a BEGIN subroutine. @@ -255,6 +314,10 @@ Compilation stops immediately and the interpreter is exited. (W) You tried to do a bind on a closed socket. Did you forget to check the return value of your socket() call? See L. +=item Bizarre copy of %s in %s + +(P) Perl detected an attempt to copy an internal value that is not copiable. + =item Callback called exit (F) A subroutine invoked from an external package via perl_call_sv() @@ -328,7 +391,7 @@ that you can chdir to, possibly because it doesn't exist. =item Can't coerce %s to integer in %s (F) Certain types of SVs, in particular real symbol table entries -(type GLOB), can't be forced to stop being what they are. So you can't +(typeglobs), can't be forced to stop being what they are. So you can't say things like: *foo += 1; @@ -343,12 +406,12 @@ but then $foo no longer contains a glob. =item Can't coerce %s to number in %s (F) Certain types of SVs, in particular real symbol table entries -(type GLOB), can't be forced to stop being what they are. +(typeglobs), can't be forced to stop being what they are. =item Can't coerce %s to string in %s (F) Certain types of SVs, in particular real symbol table entries -(type GLOB), can't be forced to stop being what they are. +(typeglobs), can't be forced to stop being what they are. =item Can't create pipe mailbox @@ -370,7 +433,7 @@ They must have ordinary identifiers as names. from a deleted (but still opened) file. You have to say B<-i>C<.bak>, or some such. -=item Can't do inplace edit: %s > 14 characters +=item Can't do inplace edit: %s E 14 characters (S) There isn't enough room in the filename to make a backup name for the file. @@ -402,7 +465,7 @@ your sysadmin why he and/or she removed it. (F) This machine doesn't have either waitpid() or wait4(), so only waitpid() without flags is emulated. -=item Can't do {n,m} with n > m +=item Can't do {n,m} with n E m (F) Minima must be less than or equal to maxima. If you really want your regexp to match something 0 times, just put {0}. See L. @@ -449,6 +512,14 @@ levels, the following is missing its final parenthesis: (F) A fatal error occurred while trying to fork while opening a pipeline. +=item Unsupported function fork + +(F) Your version of executable does not support forking. + +Note that under some systems, like OS/2, there may be different flavors of +Perl executables, some of which may support fork, some not. Try changing +the name you call Perl by to C, C, and so on. + =item Can't get filespec - stale stat buffer? (S) A warning peculiar to VMS. This arises because of the difference between @@ -483,9 +554,16 @@ call for another. It can't manufacture one out of whole cloth. In general you should only be calling it out of an AUTOLOAD routine anyway. See L. +=item Can't localize a reference + +(F) You said something like C, which is not allowed because +the compiler can't determine whether $ref will end up pointing to anything +with a symbol table entry, and a symbol table entry is necessary to +do a local. + =item Can't localize lexical variable %s -(F) You used local on a variable name that was previous declared as a +(F) You used local on a variable name that was previously declared as a lexical variable using "my". This is not allowed. If you want to localize a package variable of the same name, qualify it with the package name. @@ -502,7 +580,7 @@ you just misspelled the name of the file. See L. (F) You called a method correctly, and it correctly indicated a package functioning as a class, but that package doesn't define that particular -method, nor does any of it's base classes. See L. +method, nor does any of its base classes. See L. =item Can't locate package %s for @%s::ISA @@ -538,25 +616,25 @@ Usually this is because you don't have read permission for the file. (W) You tried to say C, which is not supported. You can try any of several modules in the Perl library to do this, such as -"open2.pl". Alternately, direct the pipe's output to a file using ">", +"open2.pl". Alternately, direct the pipe's output to a file using "E", and then read it in under a different file handle. =item Can't open error file %s as stderr (F) An error peculiar to VMS. Perl does its own command line redirection, and -couldn't open the file specified after '2>' or '2>>' on the command line for -writing. +couldn't open the file specified after '2E' or '2EE' on the +command line for writing. =item Can't open input file %s as stdin (F) An error peculiar to VMS. Perl does its own command line redirection, and -couldn't open the file specified after '<' on the command line for reading. +couldn't open the file specified after 'E' on the command line for reading. =item Can't open output file %s as stdout (F) An error peculiar to VMS. Perl does its own command line redirection, and -couldn't open the file specified after '>' or '>>' on the command line for -writing. +couldn't open the file specified after 'E' or 'EE' on the command +line for writing. =item Can't open output pipe (name: %s) @@ -631,6 +709,14 @@ message indicates that such a conversion was attempted. of upgradability. Upgrading to undef indicates an error in the code calling sv_upgrade. +=item Can't use "my %s" in sort comparison + +(F) The global variables $a and $b are reserved for sort comparisons. +You mentioned $a or $b in the same line as the E=E or cmp operator, +and the variable had earlier been declared as a lexical variable. +Either qualify the sort variable with the package name, or rename the +lexical variable. + =item Can't use %s for loop variable (F) Only a simple scalar variable may be used as a loop variable on a foreach. @@ -659,11 +745,6 @@ are disallowed. See L. (F) A value used as either a hard reference or a symbolic reference must be a defined value. This helps to de-lurk some insidious errors. -=item Can't use delimiter brackets within expression - -(F) The ${name} construct is for disambiguating identifiers in strings, not -in ordinary code. - =item Can't use global %s in "my" (F) You tried to declare a magical variable as a lexical variable. This is @@ -691,7 +772,7 @@ Perhaps you need to copy the value to a temporary, and repeat that. =item Cannot open temporary file -(F) The create routine failed for some reaon while trying to process +(F) The create routine failed for some reason while trying to process a B<-e> switch. Maybe your /tmp partition is full, or clobbered. =item chmod: mode argument is missing initial 0 @@ -703,7 +784,7 @@ a B<-e> switch. Maybe your /tmp partition is full, or clobbered. not realizing that 777 will be interpreted as a decimal number, equivalent to 01411. Octal constants are introduced with a leading 0 in Perl, as in C. -=item Close on unopened file <%s> +=item Close on unopened file E%sE (W) You tried to close a filehandle that was never opened. @@ -733,6 +814,10 @@ times than it has returned. This probably indicates an infinite recursion, unless you're writing strange benchmark programs, in which case it indicates something else. +=item Did you mean &%s instead? + +(W) You probably referred to an imported subroutine &FOO as $FOO or some such. + =item Did you mean $ or @ instead of %? (W) You probably said %hash{$key} when you meant $hash{$key} or @hash{@keys}. @@ -763,6 +848,13 @@ declaration. (S) An internal routine called free() on something that had already been freed. +=item elseif should be elsif + +(S) There is no keyword "elseif" in Perl because Larry thinks it's +ugly. Your code will be interpreted as an attempt to call a method +named "elseif" for the class returned by the following block. This is +unlikely to be what you want. + =item END failed--cleanup aborted (F) An untrapped exception was raised while executing an END subroutine. @@ -782,17 +874,17 @@ case the conversion routines don't handle. Drat. =item Exiting eval via %s -(W) You are exiting an eval by unconventional means, such as a +(W) You are exiting an eval by unconventional means, such as a goto, or a loop control statement. =item Exiting subroutine via %s -(W) You are exiting a subroutine by unconventional means, such as a +(W) You are exiting a subroutine by unconventional means, such as a goto, or a loop control statement. =item Exiting substitution via %s -(W) You are exiting a substitution by unconventional means, such as a +(W) You are exiting a substitution by unconventional means, such as a return, a goto, or a loop control statement. =item Fatal VMS error at %s, line %d @@ -817,15 +909,17 @@ the FileHandle package. (W) You tried to write on a read-only filehandle. If you intended it to be a read-write filehandle, you needed to open it with -"+<" or "+>" or "+>>" instead of with "<" or nothing. If you only -intended to write the file, use ">" or ">>". See L. +"+E" or "+E" or "+EE" instead of with "E" or nothing. If +you only intended to write the file, use "E" or "EE". See +L. =item Filehandle only opened for input (W) You tried to write on a read-only filehandle. If you intended it to be a read-write filehandle, you needed to open it with -"+<" or "+>" or "+>>" instead of with "<" or nothing. If you only -intended to write the file, use ">" or ">>". See L. +"+E" or "+E" or "+EE" instead of with "E" or nothing. If +you only intended to write the file, use "E" or "EE". See +L. =item Final $ should be \$ or $name @@ -917,11 +1011,14 @@ an emergency basis to prevent a core dump. (D) Really old Perl let you omit the % on hash names in some spots. This is now heavily deprecated. -=item Identifier "%s::%s" used only once: possible typo +=item Ill-formed logical name |%s| in prime_env_iter -(W) Typographical errors often show up as unique identifiers. If you -had a good reason for having a unique identifier, then just mention it -again somehow to suppress the message. +(W) A warning peculiar to VMS. A logical name was encountered when preparing +to iterate over %ENV which violates the syntactic rules governing logical +names. Since it cannot be translated normally, it is skipped, and will not +appear in %ENV. This may be a benign occurence, as some software packages +might directly modify logical name tables and introduce non-standard names, +or it may indicate that a logical name table has been corrupted. =item Illegal division by zero @@ -944,7 +1041,7 @@ of the octal number stopped before the 8 or 9. =item Insecure dependency in %s -(F) You tried to do something that the tainting mechanism didn't like. +(F) You tried to do something that the tainting mechanism didn't like. The tainting mechanism is turned on when you're running setuid or setgid, or when you specify B<-T> to turn it on explicitly. The tainting mechanism labels all data that's derived directly or indirectly from the user, @@ -955,13 +1052,13 @@ for more information. =item Insecure directory in %s (F) You can't use system(), exec(), or a piped open in a setuid or setgid -script if $ENV{PATH} contains a directory that is writable by the world. +script if C<$ENV{PATH}> contains a directory that is writable by the world. See L. =item Insecure PATH (F) You can't use system(), exec(), or a piped open in a setuid or -setgid script if $ENV{PATH} is derived from data supplied (or +setgid script if C<$ENV{PATH}> is derived from data supplied (or potentially supplied) by the user. The script must set the path to a known value, using trustworthy data. See L. @@ -969,7 +1066,7 @@ known value, using trustworthy data. See L. (S) A warning peculiar to VMS. Perl keeps track of the number of times you've called C and C, in order to determine -whether the current call to C should be affect the current +whether the current call to C should affect the current script or a subprocess (see L). Somehow, this count has become scrambled, so Perl is making a guess and treating this C as a request to terminate the Perl script @@ -1033,7 +1130,7 @@ assume that an unbackslashed @ interpolates an array.) =item Method for operation %s not found in package %s during blessing (F) An attempt was made to specify an entry in an overloading table that -doesn't somehow point to a valid method. See L. +doesn't somehow point to a valid method. See L. =item Might be a runaway multi-line %s string starting on line %d @@ -1047,8 +1144,8 @@ ended earlier on the current line. =item Missing $ on loop variable -(F) Apparently you've been programming in csh too much. Variables are always -mentioned with the $ in Perl, unlike in the shells, where it can vary from +(F) Apparently you've been programming in B too much. Variables are always +mentioned with the $ in Perl, unlike in the shells, where it can vary from one line to the next. =item Missing comma after first argument to %s function @@ -1105,8 +1202,15 @@ be created for some peculiar reason. =item Multidimensional syntax %s not supported -(W) Multidimensional arrays aren't written like $foo[1,2,3]. They're written -like $foo[1][2][3], as in C. +(W) Multidimensional arrays aren't written like C<$foo[1,2,3]>. They're written +like C<$foo[1][2][3]>, as in C. + +=item Name "%s::%s" used only once: possible typo + +(W) Typographical errors often show up as unique variable names. If you +had a good reason for having a unique name, then just mention it +again somehow to suppress the message (the C pragma is +provided for just this purpose). =item Negative length @@ -1170,29 +1274,29 @@ but for some reason the perl5db.pl file (or some facsimile thereof) didn't define a DB::sub routine to be called at the beginning of each ordinary subroutine call. -=item No error file after 2> or 2>> on command line +=item No error file after 2E or 2EE on command line (F) An error peculiar to VMS. Perl handles its own command line redirection, -and found a '2>' or a '2>>' on the command line, but can't find the name of the -file to which to write data destined for stderr. +and found a '2E' or a '2EE' on the command line, but can't find +the name of the file to which to write data destined for stderr. -=item No input file after < on command line +=item No input file after E on command line (F) An error peculiar to VMS. Perl handles its own command line redirection, -and found a '<' on the command line, but can't find the name of the file from -which to read data for stdin. +and found a 'E' on the command line, but can't find the name of the file +from which to read data for stdin. -=item No output file after > on command line +=item No output file after E on command line (F) An error peculiar to VMS. Perl handles its own command line redirection, -and found a lone '>' at the end of the command line, so it doesn't know whither -you wanted to redirect stdout. +and found a lone 'E' at the end of the command line, so it doesn't know +whither you wanted to redirect stdout. -=item No output file after > or >> on command line +=item No output file after E or EE on command line (F) An error peculiar to VMS. Perl handles its own command line redirection, -and found a '>' or a '>>' on the command line, but can't find the name of the -file to which to write data destined for stdout. +and found a 'E' or a 'EE' on the command line, but can't find the +name of the file to which to write data destined for stdout. =item No Perl script found in input @@ -1239,7 +1343,7 @@ format, but this indicates you did, and that it didn't exist. =item Not a GLOB reference -(F) Perl was trying to evaluate a reference to a "type glob" (that is, +(F) Perl was trying to evaluate a reference to a "typeglob" (that is, a symbol table entry that looks like C<*foo>), but found a reference to something else instead. You can use the ref() function to find out what kind of ref it really was. See L. @@ -1272,7 +1376,7 @@ See also L. =item Not a subroutine reference in %OVERLOAD (F) An attempt was made to specify an entry in an overloading table that -doesn't somehow point to a valid subroutine. See L. +doesn't somehow point to a valid subroutine. See L. =item Not an ARRAY reference @@ -1294,6 +1398,12 @@ See L. (F) You can't require the null filename, especially since on many machines that means the current directory! See L. +=item Null picture in formline + +(F) The first argument to formline must be a valid format picture +specification. It was found to be empty, which probably means you +supplied it an uninitialized value. See L. + =item NULL OP IN RUN (P) Some internal routine called run() with a null opcode pointer. @@ -1326,7 +1436,7 @@ since hash lists come in key/value pairs. =item Operation `%s' %s: no method found, (F) An attempt was made to use an entry in an overloading table that -somehow no longer points to a valid method. See L. +somehow no longer points to a valid method. See L. =item Operator or semicolon missing before %s @@ -1343,8 +1453,29 @@ but realloc() wouldn't give it more memory, virtual or otherwise. =item Out of memory! -(X) The malloc() function returned 0, indicating there was insufficient -remaining memory (or virtual memory) to satisfy the request. +(X|F) The malloc() function returned 0, indicating there was insufficient +remaining memory (or virtual memory) to satisfy the request. Depending +on the way perl was compiled it may use the contents of C<$^M> as an +emergency pool after die()ing with this message. In this case the +error is trappable I. + +=item Out of memory during request for %s + +(F) The malloc() function returned 0, indicating there was insufficient +remaining memory (or virtual memory) to satisfy the request. However, +the request was judged large enough (compile-time default is 64K), so +a possibility to shut down by trapping this error is granted. + +=item Out of memory! + +(X|F) The malloc() function returned 0, indicating there was insufficient +remaining memory (or virtual memory) to satisfy the request. + +The request was judged to be small, so the possibility to trap it +depends on the way perl was compiled. By default it is not +trappable. However, if compiled for this, Perl may use the contents of +C<$^M> as an emergency pool after die()ing with this message. In this +case the error is trappable I. =item page overflow @@ -1534,7 +1665,7 @@ Perl assumes that memory is now corrupted. See L. =item Precedence problem: open %s should be open(%s) (S) The old irregular construct - + open FOO || die; is now misinterpreted as @@ -1563,7 +1694,12 @@ last argument of the previous construct, for example: open FOO || die; -=item Read on closed filehandle <%s> +=item Prototype mismatch: (%s) vs (%s) + +(S) The subroutine being defined had a predeclared (forward) declaration +with a different function prototype. + +=item Read on closed filehandle E%sE (W) The filehandle you're reading from got itself closed sometime before now. Check your logic flow. @@ -1599,7 +1735,7 @@ expression compiler gave it. =item regexp too big -(F) The current implementation of regular expression uses shorts as +(F) The current implementation of regular expressions uses shorts as address offsets within a string. Unfortunately this means that if the regular expression compiles to longer than 32767, it'll blow up. Usually when you want a regular expression this big, there is a better @@ -1622,8 +1758,8 @@ shifting or popping (for array variables). See L. (W) You've used an array slice (indicated by @) to select a single value of an array. Generally it's better to ask for a scalar value (indicated by $). -The difference is that $foo[&bar] always behaves like a scalar, both when -assigning to it and when evaluating its argument, while @foo[&bar] behaves +The difference is that C<$foo[&bar]> always behaves like a scalar, both when +assigning to it and when evaluating its argument, while C<@foo[&bar]> behaves like a list when you assign to it, and provides a list context to its subscript, which can do weird things if you're only expecting one subscript. @@ -1635,7 +1771,7 @@ L. =item Script is not setuid/setgid in suidperl (F) Oddly, the suidperl program was invoked on a script with its setuid -or setgid bit set. This doesn't make much sense. +or setgid bit not set. This doesn't make much sense. =item Search pattern not terminated @@ -1685,27 +1821,36 @@ but has not yet been written. See L. (F) You used a regular expression extension that doesn't make sense. See L. +=item Server error + +Also known as "500 Server error". This is a CGI error, not a Perl +error. You need to make sure your script is executable, is accessible +by the user CGI is running the script under (which is probably not +the user account you tested it under), does not rely on any environment +variables (like PATH) from the user it isn't running under, and isn't +in a location where the CGI server can't find it, basically, more or less. + =item setegid() not implemented -(F) You tried to assign to $), and your operating system doesn't support +(F) You tried to assign to C<$)>, and your operating system doesn't support the setegid() system call (or equivalent), or at least Configure didn't think so. =item seteuid() not implemented -(F) You tried to assign to $>, and your operating system doesn't support +(F) You tried to assign to C<$E>, and your operating system doesn't support the seteuid() system call (or equivalent), or at least Configure didn't think so. =item setrgid() not implemented -(F) You tried to assign to $(, and your operating system doesn't support +(F) You tried to assign to C<$(>, and your operating system doesn't support the setrgid() system call (or equivalent), or at least Configure didn't think so. =item setruid() not implemented -(F) You tried to assign to $<, and your operating system doesn't support +(F) You tried to assign to C<$>, and your operating system doesn't support the setruid() system call (or equivalent), or at least Configure didn't think so. @@ -1735,7 +1880,7 @@ But before sort was a keyword, people sometimes used it as a filehandle. =item Sort subroutine didn't return a numeric value (F) A sort comparison routine must return a number. You probably blew -it by not using C=E or C, or by not using them correctly. +it by not using C=E> or C, or by not using them correctly. See L. =item Sort subroutine didn't return single value @@ -1749,7 +1894,7 @@ or less than one element. See L. more times than there are characters of input, which is what happened.) See L. -=item Stat on unopened file <%s> +=item Stat on unopened file E%sE (W) You tried to use the stat() function (or an equivalent file test) on a filehandle that was either never opened or has been closed since. @@ -1820,6 +1965,12 @@ the only way to figure out what's triggering the error is to call C repeatedly, chopping away half the program each time to see if the error went away. Sort of the cybernetic version of S<20 questions>. +=item syntax error at line %d: `%s' unexpected + +(A) You've accidentally run your script through the Bourne shell +instead of Perl. Check the E#!E line, or manually feed your script +into Perl yourself. + =item System V IPC is not implemented on this machine (F) You tried to do something with a function beginning with "sem", "shm" @@ -1835,14 +1986,14 @@ Check your logic flow. (W) You tried to use the tell() function on a filehandle that was either never opened or has been closed since. -=item Test on unopened file <%s> +=item Test on unopened file E%sE (W) You tried to invoke a file test operator on a filehandle that isn't open. Check your logic. See also L. =item That use of $[ is unsupported -(F) Assignment to $[ is now strictly circumscribed, and interpreted as +(F) Assignment to C<$[> is now strictly circumscribed, and interpreted as a compiler directive. You may only say one of $[ = 0; @@ -1864,7 +2015,7 @@ to the probings of Configure. (F) Configure couldn't find the crypt() function on your machine, probably because your vendor didn't supply it, probably because they -think the U.S. Govermnment thinks it's a secret, or at least that they +think the U.S. Government thinks it's a secret, or at least that they will continue to pretend that it is. And if you quote me on that, I will deny it. @@ -1884,6 +2035,14 @@ you're not running on Unix. (F) There has to be at least one argument to syscall() to specify the system call to call, silly dilly. +=item Too many ('s + +=item Too many )'s + +(A) You've accidentally run your script through B instead +of Perl. Check the E#!E line, or manually feed your script +into Perl yourself. + =item Too many args to syscall (F) Perl only supports a maximum of 14 args to syscall(). @@ -1915,8 +2074,8 @@ Configure knows about. =item Type of arg %d to %s must be %s (not %s) (F) This function requires the argument in that position to be of a -certain type. Arrays must be @NAME or @{EXPR}. Hashes must be -%NAME or %{EXPR}. No implicit dereferencing is allowed--use the +certain type. Arrays must be @NAME or C<@{EXPR}>. Hashes must be +%NAME or C<%{EXPR}>. No implicit dereferencing is allowed--use the {EXPR} forms as an explicit dereference. See L. =item umask: argument is missing initial 0 @@ -1924,6 +2083,10 @@ certain type. Arrays must be @NAME or @{EXPR}. Hashes must be (W) A umask of 222 is incorrect. It should be 0222, since octal literals always start with 0 in Perl, as in C. +=item Unable to create sub named "%s" + +(F) You attempted to create or access a subroutine with an illegal name. + =item Unbalanced context: %d more PUSHes than POPs (W) The exit code detected an internal inconsistency in how many execution @@ -1969,6 +2132,11 @@ or if it was, it has since been undefined. (F) The sort comparison routine specified is declared but doesn't seem to have been defined yet. See L. +=item Undefined top format "%s" called + +(F) The format indicated doesn't seem to exist. Perhaps it's really in +another package? See L. + =item unexec of %s into %s failed! (F) The unexec() routine failed for some reason. See your local FSF @@ -2039,7 +2207,7 @@ At least, Configure doesn't think so. (F) Your machine doesn't support the Berkeley socket mechanism, or at least that's what Configure thought. -=item Unterminated <> operator +=item Unterminated EE operator (F) The lexer saw a left angle bracket in a place where it was expecting a term, so it's looking for the corresponding right angle bracket, and not @@ -2048,7 +2216,7 @@ the line, and you really meant a "less than". =item Use of $# is deprecated -(D) This was an ill-advised attempt to emulate a poorly defined awk feature. +(D) This was an ill-advised attempt to emulate a poorly defined B feature. Use an explicit printf() or sprintf() instead. =item Use of $* is deprecated @@ -2069,6 +2237,11 @@ from C. This usually means there's a better way to do it in Perl. because there's a better way to do it, and also because the old way has bad side effects. +=item Use of bare EE to mean EE"" is deprecated + +(D) You are now encouraged to use the explicitly quoted form if you +wish to use a blank line as the terminator of the here-document. + =item Use of implicit split to @_ is deprecated (D) It makes a lot of work for the compiler when you clobber a @@ -2112,10 +2285,29 @@ a scalar context, the comma is treated like C's comma operator, which throws away the left argument, which is not what you want. See L for more on this. +=item untie attempted while %d inner references still exist + +(W) A copy of the object returned from C (or C) was still +valid when C was called. + +=item Variable "%s" is not exported + +(F) While "use strict" in effect, you referred to a global variable +that you apparently thought was imported from another module, because +something else of the same name (usually a subroutine) is exported +by that module. It usually means you put the wrong funny character +on the front of your variable. + +=item Variable syntax. + +(A) You've accidentally run your script through B instead +of Perl. Check the E#!E line, or manually feed your script +into Perl yourself. + =item Warning: unable to close filehandle %s properly. -(S) The implicit close() done by an open() got an error indication on the -close(0. This usually indicates your filesystem ran out of disk space. +(S) The implicit close() done by an open() got an error indication on the +close(). This usually indicates your filesystem ran out of disk space. =item Warning: Use of "%s" without parens is ambiguous @@ -2193,13 +2385,13 @@ substitution, but stylistically it's better to use the variable form because other Perl programmers will expect it, and it works better if there are more than 9 backreferences. -=item '|' and '<' may not both be specified on command line +=item '|' and 'E' may not both be specified on command line (F) An error peculiar to VMS. Perl does its own command line redirection, and found that STDIN was a pipe, and that you also tried to redirect STDIN using -'<'. Only one STDIN stream to a customer, please. +'E'. Only one STDIN stream to a customer, please. -=item '|' and '>' may not both be specified on command line +=item '|' and 'E' may not both be specified on command line (F) An error peculiar to VMS. Perl does its own command line redirection, and thinks you tried to redirect stdout both to a file and into a pipe to another @@ -2214,5 +2406,36 @@ streams, such as } close OUT; +=item Got an error from DosAllocMem: + +(P) An error peculiar to OS/2. Most probably you use an obsolete version +of perl, and should not happen anyway. + +=item Malformed PERLLIB_PREFIX + +(F) An error peculiar to OS/2. PERLLIB_PREFIX should be of the form + + prefix1;prefix2 + +or + + prefix1 prefix2 + +with non-empty prefix1 and prefix2. If C is indeed a prefix of +a builtin library search path, prefix2 is substituted. The error may appear +if components are not found, or are too long. See L. + +=item PERL_SH_DIR too long + +(F) An error peculiar to OS/2. PERL_SH_DIR is the directory to find the +C-shell in. See L. + +=item Process terminated by SIG%s + +(W) This is a standard message issued by OS/2 applications, while *nix +applications die in silence. It is considered a feature of the OS/2 +port. One can easily disable this by appropriate sighandlers, see +L. See L. + =back