spacewhack.pl revision 499b34cea04a46823d003d4c0520c8b03e8513cb
#!/usr/local/bin/perl -w
#
# Copyright (C) 2000, 2001 Internet Software Consortium.
#
# Permission to use, copy, modify, and distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
# DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
# INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
# FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
# NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
# WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
# $Id: spacewhack.pl,v 1.3 2001/01/09 22:01:02 bwelling Exp $
$0 =~ s%.*/%%;
if (@ARGV != 0) {
warn "Usage: $0 < list-of-files\n";
warn "The util/copyrights file is normally used for list-of-files.\n";
exit(1);
}
$total = 0;
printf "Lines Trimmed:\n";
while (defined($line = <STDIN>)) {
($file) = split(/\s+/, $line, 2);
# These are binary and must be ignored.
next if $file =~ m%/random.data|\.gif$%;
next if -B $file;
print "$file\n";
unless (open(FILEIN, "< $file")) {
warn "$0: open < $file: $!, skipping\n";
next;
}
undef $/; # Slurp whole file.
$_ = <FILEIN>;
$/ = "\n"; # Back to line-at-a-time for <FILES>.
close(FILEIN);
$count = s/[ \t]+$//mg;
next unless $count > 0;
unless (open(FILEOUT, "> $file")) {
warn "$0: open > $file: $!, skipping\n";
next;
}
print FILEOUT or die "$0: printing to $file: $!, exiting\n";
close FILEOUT or die "$0: closing $file: $!, exiting\n";
printf("%6d lines trimmed in $file\n", $count) if $count > 0;
$total += $count;
}
printf "%6d TOTAL\n", $total;
exit(0);