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make: whitespace sweep target and execution
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Franco Fichtner
185
Scripts/cleanfile
Executable file
185
Scripts/cleanfile
Executable file
@@ -0,0 +1,185 @@
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#!/usr/bin/env perl
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#
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# Clean a text file -- or directory of text files -- of stealth whitespace.
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# WARNING: this can be a highly destructive operation. Use with caution.
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#
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use bytes;
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use File::Basename;
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# Default options
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$max_width = 119;
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# Clean up space-tab sequences, either by removing spaces or
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# replacing them with tabs.
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sub clean_space_tabs($)
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{
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no bytes; # Tab alignment depends on characters
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my($li) = @_;
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my($lo) = '';
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my $pos = 0;
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my $nsp = 0;
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my($i, $c);
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for ($i = 0; $i < length($li); $i++) {
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$c = substr($li, $i, 1);
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if ($c eq "\t") {
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my $npos = ($pos+$nsp+8) & ~7;
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my $ntab = ($npos >> 3) - ($pos >> 3);
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$lo .= "\t" x $ntab;
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$pos = $npos;
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$nsp = 0;
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} elsif ($c eq "\n" || $c eq "\r") {
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$lo .= " " x $nsp;
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$pos += $nsp;
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$nsp = 0;
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$lo .= $c;
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$pos = 0;
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} elsif ($c eq " ") {
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$nsp++;
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} else {
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$lo .= " " x $nsp;
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$pos += $nsp;
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$nsp = 0;
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$lo .= $c;
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$pos++;
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}
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}
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$lo .= " " x $nsp;
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return $lo;
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}
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# Compute the visual width of a string
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sub strwidth($) {
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no bytes; # Tab alignment depends on characters
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my($li) = @_;
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my($c, $i);
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my $pos = 0;
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my $mlen = 0;
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for ($i = 0; $i < length($li); $i++) {
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$c = substr($li,$i,1);
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if ($c eq "\t") {
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$pos = ($pos+8) & ~7;
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} elsif ($c eq "\n") {
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$mlen = $pos if ($pos > $mlen);
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$pos = 0;
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} else {
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$pos++;
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}
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}
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$mlen = $pos if ($pos > $mlen);
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return $mlen;
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}
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$name = basename($0);
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@files = ();
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while (defined($a = shift(@ARGV))) {
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if ($a =~ /^-/) {
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if ($a eq '-width' || $a eq '-w') {
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$max_width = shift(@ARGV)+0;
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} else {
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print STDERR "Usage: $name [-width #] files...\n";
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exit 1;
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}
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} else {
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push(@files, $a);
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}
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}
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foreach $f ( @files ) {
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print STDERR "$name: $f\n";
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if (! -f $f) {
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print STDERR "$f: not a file\n";
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next;
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}
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if (!open(FILE, '+<', $f)) {
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print STDERR "$name: Cannot open file: $f: $!\n";
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next;
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}
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binmode FILE;
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# First, verify that it is not a binary file; consider any file
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# with a zero byte to be a binary file. Is there any better, or
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# additional, heuristic that should be applied?
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$is_binary = 0;
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while (read(FILE, $data, 65536) > 0) {
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if ($data =~ /\0/) {
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$is_binary = 1;
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last;
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}
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}
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if ($is_binary) {
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print STDERR "$name: $f: binary file\n";
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next;
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}
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seek(FILE, 0, 0);
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$in_bytes = 0;
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$out_bytes = 0;
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$blank_bytes = 0;
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@blanks = ();
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@lines = ();
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$last = "\n";
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$lineno = 0;
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while ( defined($line = <FILE>) ) {
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$lineno++;
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$in_bytes += length($line);
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$line =~ s/[ \t\r]*$//; # Remove trailing spaces
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$line = clean_space_tabs($line);
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$last = $line;
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if ( $line eq "\n" ) {
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push(@blanks, $line);
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$blank_bytes += length($line);
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} else {
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push(@lines, @blanks);
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$out_bytes += $blank_bytes;
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push(@lines, $line);
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$out_bytes += length($line);
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@blanks = ();
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$blank_bytes = 0;
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}
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$l_width = strwidth($line);
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if ($max_width && $l_width > $max_width) {
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print STDERR
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"$f:$lineno: line exceeds $max_width characters ($l_width)\n";
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}
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}
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if ( chop($last) ne "\n" ) {
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# fix missing newline at EOF
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push(@lines, "\n");
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# increment input bytes to signal character append
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$in_bytes += 1;
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}
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# Any blanks at the end of the file are discarded
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if ($in_bytes != $out_bytes) {
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# Only write to the file if changed
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seek(FILE, 0, 0);
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print FILE @lines;
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if ( !defined($where = tell(FILE)) ||
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!truncate(FILE, $where) ) {
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die "$name: Failed to truncate modified file: $f: $!\n";
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}
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}
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close(FILE);
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}
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38
Scripts/version.sh
Executable file
38
Scripts/version.sh
Executable file
@@ -0,0 +1,38 @@
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#!/bin/sh
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# Copyright (c) 2015 Franco Fichtner <franco@opnsense.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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set -e
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VERSION=$(git describe --abbrev=0 --always)
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REVISION=$(git rev-list ${VERSION}.. --count)
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COMMENT=$(git rev-list HEAD --max-count=1 | cut -c1-9)
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if [ "${REVISION}" != "0" ]; then
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# must construct full version string manually
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VERSION=${VERSION}_${REVISION}
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fi
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echo ${VERSION}-${COMMENT}
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