[p5sagit/p5-mst-13.2.git] / eg / relink

#!/usr/bin/perl

($op = shift) || die "Usage: relink perlexpr [filenames]\n";
if (!@ARGV) {
    if (-t) {
	@ARGV = <*>;
    }
    else {
	@ARGV = <STDIN>;
	chop(@ARGV);
    }
}
for (@ARGV) {
    next unless -l;		# symbolic link?
    $name = $_;
    $_ = readlink($_);
    $was = $_;
    eval $op;
    die $@ if $@;
    if ($was ne $_) {
	unlink($name);
	symlink($_, $name);
    }
}
Commit	Line	Data
9f68db38	1	#!/usr/bin/perl
	2
	3	($op = shift) \|\| die "Usage: relink perlexpr [filenames]\n";
	4	if (!@ARGV) {
	5	if (-t) {
	6	@ARGV = <*>;
	7	}
	8	else {
	9	@ARGV = <STDIN>;
	10	chop(@ARGV);
	11	}
	12	}
	13	for (@ARGV) {
	14	next unless -l; # symbolic link?
	15	$name = $_;
	16	$_ = readlink($_);
	17	$was = $_;
	18	eval $op;
	19	die $@ if $@;
	20	if ($was ne $_) {
	21	unlink($name);
	22	symlink($_, $name);
	23	}
	24	}