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mirror of https://gitlab.isc.org/isc-projects/bind9 synced 2025-08-29 05:28:00 +00:00
bind/util/spacewhack.pl
2012-06-29 11:39:47 +10:00

73 lines
1.9 KiB
Perl

#!/usr/local/bin/perl -w
#
# Copyright (C) 2004, 2007, 2012 Internet Systems Consortium, Inc. ("ISC")
# Copyright (C) 2000, 2001 Internet Software Consortium.
#
# Permission to use, copy, modify, and/or 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 ISC DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS. IN NO EVENT SHALL ISC 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.
# $Id$
$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);