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#!/usr/bin/perl
# *Rewrites* files:
#
# % some string \
# % other string
#
# ===>>
# % some string other string
use warnings;
use strict;
my $file = $ARGV[0];
open(FH, '<', $file) || die "open $file: $!";
my @lines = <FH>;
close(FH);
open(FH, '>', $file) || die "open $file: $!";
my $concat = 0;
foreach (@lines) {
if ($concat) {
s/^\s*%/ /;
}
if (s/\\+$//) {
chomp;
$concat = 1;
} else {
$concat = 0;
}
print FH;
}
close(FH);
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