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#!/usr/bin/perl
#
# This is a perl script that can strip uneeded characters from a
# shell script, so that certain shells(bash!) can run it faster.
#
# Copyright 2000 by Adam Heath <doogie@debian.org>
# Licensed under the LGPL
#
$first = 1;
while (<>) {
#
# Remove continuation characters. This is done first
# incase the script magic below is a continued line.
#
if(/\\$/) {
chop;s/\\$//;
$_ .= <>;
redo if not eof;
};
#
# Don't throw away the script magic identifier.
#
if(!(defined $first && /^#!/)) {
#
# Strip leading whitespace.
#
s/[ \t]*//;
#
# Skip blank and comment lines.
#
next if(/^(#.*|)$/);
}
#
# If a line ends with ;, then combine it with the next
# line, as the new line character is extraneous.
#
chop if(/\;[ \t]*$/);
print if(/^#!/);
if(defined $first) {
print "# This script has been preprocessed prior to installation\n";
print "# It has had comments, blank lines, and leading spaces\n";
print "# removed, and \\-style lines combined. This was done so\n";
print "# that it could run quicker under some shells.\n"
}
print if(! /^#!/);
undef $first;
}
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