icat.php
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Authored by epriestley on May 24 2013, 12:06 PM.

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	F44145: icat.php
	Feb 24 2016, 1:31 AM

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	#!/usr/bin/env php
	<?php

	if ($argc > 1) {
	$args = array_slice($argv, 1);
	} else {
	$args = array('php://stdin');
	}

	foreach ($args as $arg) {
	$data = file_get_contents($arg);
	for ($ii = 0; $ii < strlen($data); $ii++) {
	$s = $data[$ii];
	$n = isset($data[$ii + 1]) ? $data[$ii + 1] : null;
	$c = ord($s);
	if ($c >= 33 && $c <= 127) {
	echo $s;
	} else if ($s == "\r") {
	echo special(' \\r ');
	if ($n !== "\n") {
	echo "\n";
	}
	} else if ($s == "\n") {
	echo special(' \\n ')."\n";
	} else if ($s == "\t") {
	echo special(' \\t ');
	} else if ($s == ' ') {
	echo under(' ');
	} else {
	echo special('\\x'.sprintf('%02x', $c));
	}
	}
	echo "\n";
	}

	function special($x) {
	return chr(27).'[7m'.$x.chr(27).'[m';
	}

	function under($x) {
	return chr(27).'[31m'.chr(27).'[4m'.$x.chr(27).'[m'.chr(27).'[39m';
	}

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epriestley edited the content of this paste. (Show Details)May 24 2013, 12:06 PM