#!/usr/local/bin/perl -w
#
# Copyright (C) 2000, 2001, 2004, 2007, 2012, 2016 Internet Systems Consortium, Inc. ("ISC")
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# $Id$
$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);