Don't count on 'trap 0' inside () in shell script

(this is the same change as commit 2626e112ed2a75058c6a5e98cce21f1af08a8ace, but as applied)

diff --git a/perl_exp.SH b/perl_exp.SH
index d964bdf..c0702d0 100755 (executable)
--- a/perl_exp.SH
+++ b/perl_exp.SH
@@ -40,20 +40,17 @@ echo "#!" > perl.exp
 
 case "$bincompat3" in
 y*)
-       (
-         global=/tmp/exp$$g
-         interp=/tmp/exp$$i
-         compat3=/tmp/exp$$c
-         trap 'rm -f $global $interp $compat3' 0
-         trap 'exit 1' 1 2 3 13 15
-         grep '^[A-Za-z]' global.sym | sort >$global
-         grep '^[A-Za-z]' interp.sym | sort >$interp
-         grep '^[A-Za-z]' compat3.sym | sort >$compat3
-         comm -23 $global $compat3 | sed 's/^/Perl_/' >> perl.exp
-         comm -12 $interp $compat3 | sed 's/^/Perl_/' >> perl.exp
-         comm -12 $global $compat3 >> perl.exp
-         comm -23 $interp $compat3 >> perl.exp
-       )
+       global=/tmp/exp$$g
+       interp=/tmp/exp$$i
+       compat3=/tmp/exp$$c
+       grep '^[A-Za-z]' global.sym | sort >$global
+       grep '^[A-Za-z]' interp.sym | sort >$interp
+       grep '^[A-Za-z]' compat3.sym | sort >$compat3
+       comm -23 $global $compat3 | sed 's/^/Perl_/' >> perl.exp
+       comm -12 $interp $compat3 | sed 's/^/Perl_/' >> perl.exp
+       comm -12 $global $compat3 >> perl.exp
+       comm -23 $interp $compat3 >> perl.exp
+       rm -f $global $interp $compat3
        ;;
 *)
        sed -n '/^[A-Za-z]/ s/^/Perl_/p' global.sym interp.sym >> perl.exp