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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>unescape_string</title><link rel="stylesheet" type="text/css" href="rivet.css"><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot"><link rel="home" href="index.html" title="Apache Rivet 3.2"><link rel="up" href="commands.html" title="Rivet Tcl Commands and Variables"><link rel="prev" href="try.html" title="try"><link rel="next" href="upload.html" title="upload"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">unescape_string</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="try.html"><img src="images/prev.png" alt="Prev"></a> </td><th width="60%" align="center">Rivet Tcl Commands and Variables</th><td width="20%" align="right"> <a accesskey="n" href="upload.html"><img src="images/next.png" alt="Next"></a></td></tr></table></div><div class="refentry"><div class="refentry.separator"><hr></div><a name="unescape_string"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>unescape_string — unescape escaped characters in a string.</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis" style="width:80%"><div style="border: 1px solid #282; margin:1ex ; padding:.4ex; padding-left: 0.8ex; word-spacing:1ex "><span style="font-weight:bold ; font-family:monospace">::rivet::unescape_string</span> ?<span style="font-family:monospace; font-weight: bold;">string</span>?</div></div></div><div class="refsect1"><a name="idm1683"></a><h2>Description</h2><p style="width:90%">
Scans through each character in the specified string looking
for escaped character sequences (characters containing a
percent sign and two hexadecimal characters), unescaping them
back to their original character values, as needed, also mapping
plus signs to spaces, and returning the result.
</p><p style="width:90%">
This is useful for unquoting strings that have been quoted to
be part of a URL.
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