hydra/src/lib/Hydra/Helper/Escape.pm

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Perl
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package Hydra::Helper::Escape;
use strict;
use base qw(Exporter);
our @EXPORT = qw(escapeString);
sub escapeString {
my ($s) = @_;
$s =~ s|\\|\\\\|g;
$s =~ s|\"|\\\"|g;
$s =~ s|\$|\\\$|g;
return "\"" . $s . "\"";
}