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#!/usr/bin/env perl
use strict;
my $textwidth = $ARGV[0] // 80;
# TODO: get tabstop from vim as well <17-11-21, yigit> #
my $tabstop = ' ' x 4;
my $str = do { local $/; <STDIN> };
my $sofar = "";
my $buffer = "";
while ($str =~ m/(.*?)\s(-?-\w+)\s+/g) {
my $pos = pos $str;
# TODO: use tabstop here instead of 4 <17-11-21, yigit> #
if (length("$buffer $sofar ") + $pos < $textwidth - 4) {
if ($sofar eq "") {
$sofar = "$buffer";
} else {
$sofar = "$sofar $buffer ";
}
$sofar = $sofar . $1;
$buffer = $2;
} else {
print "$sofar \\\n$tabstop$buffer ";
$sofar = $1;
$buffer = $2;
$str = substr $str, $pos;
}
}
print "$sofar $buffer $str";
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