mirror of
https://github.com/fish-shell/fish-shell
synced 2024-12-30 22:58:46 +00:00
35 lines
643 B
Perl
Executable file
Vendored
35 lines
643 B
Perl
Executable file
Vendored
#!/usr/bin/perl
|
|
|
|
# This is a script for removing trailing whitespace from lines in files that
|
|
# are listed on the command line.
|
|
|
|
# This subroutine does the work for one file.
|
|
|
|
sub detrail {
|
|
my($file) = $_[0];
|
|
my($changed) = 0;
|
|
open(IN, "$file") || die "Can't open $file for input";
|
|
@lines = <IN>;
|
|
close(IN);
|
|
foreach (@lines)
|
|
{
|
|
if (/\s+\n$/)
|
|
{
|
|
s/\s+\n$/\n/;
|
|
$changed = 1;
|
|
}
|
|
}
|
|
if ($changed)
|
|
{
|
|
open(OUT, ">$file") || die "Can't open $file for output";
|
|
print OUT @lines;
|
|
close(OUT);
|
|
}
|
|
}
|
|
|
|
# This is the main program
|
|
|
|
$, = ""; # Output field separator
|
|
for ($i = 0; $i < @ARGV; $i++) { &detrail($ARGV[$i]); }
|
|
|
|
# End
|