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#!/usr/bin/perl
#
# Copyright (C) 2009-2014 Yuki Manabe and Daniel M. German
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of
# the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see
# <http://www.gnu.org/licenses/>.
#
# this is to extract the first <n> comments from any language that
# uses the same prefix
use Getopt::Std;
# set parameters
my %opts = ();
if (!getopts ('vc:p:',\%opts)) {
print STDERR "Usage $0 -v
-v verbose
-p comment char
-c count of comment blocks
\n";
die;
}
my $f = $ARGV[0];
open (OUT, ">${f}.comments") or die "Unable to create [${f}.comments]";
<>;
print OUT unless /^\#\!/;
my $commentChar = '#';
$commentChar = $opts{p} if exists $opts{p};
my $numberComments = 1;
$numberComments = $opts{c} if exists $opts{c};
my $verbose = exists $opts{v};
my $insideComment = 0;
my $insideCode = 0;
my $comCount = 0;
my $countCode = 0;
while (<>) {
chomp;
if (Is_Comment($_)) {
s/\t/ /g;
s/ +/ /g;
$comCount ++ if (not $insideComment);
$insideComment = 1;
/$commentChar+/;
print OUT $' . "\n"; #'
} elsif (Is_Blank($_)) {
print OUT "\n";
} else {
exit 0;
}
}
sub Is_Comment
{
my ($st) = @_;
return ($st =~ /^\s*$commentChar/);
}
sub Is_Blank
{
my ($st) = @_;
return ($st =~ /^\s*$/);
}
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