---
name: "soundex"
section: "3tcl"
platform: "linux"
package: "tcllib"
version: "2.0+dfsg-4"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/soundex/3tcl"
---

# soundex(3tcl)

Soundex

```

```

## NAME

soundex - Soundex

## SYNOPSIS

package require **Tcl 8.5 9**

package require **soundex ?1.1?**

**::soundex::knuth** *string*

```

```

## DESCRIPTION

This package provides soundex algorithms which allow the comparison of words based on their phonetic likeness.

Currently only an algorithm by Knuth is provided, which is tuned to english names and words.

- **::soundex::knuth** *string*

  Computes the soundex code of the input *string* using Knuth's algorithm and returns it as the result of the command.

## EXAMPLES

```
    % ::soundex::knuth Knuth
    K530
```

## BUGS, IDEAS, FEEDBACK

This document, and the package it describes, will undoubtedly contain bugs and other problems. Please report such in the category *soundex* of the *Tcllib Trackers* \[http://core.tcl.tk/tcllib/reportlist\]. Please also report any ideas for enhancements you may have for either package and/or documentation.

When proposing code changes, please provide *unified diffs*, i.e the output of **diff -u**.

Note further that *attachments* are strongly preferred over inlined patches. Attachments can be made by going to the **Edit** form of the ticket immediately after its creation, and then using the left-most button in the secondary navigation bar.

## KEYWORDS

knuth, soundex, text comparison, text likeness

## CATEGORY

Hashes, checksums, and encryption

## COPYRIGHT

```
Copyright (c) ????, Algorithm: Donald E. Knuth
Copyright (c) 2003, Documentation: Andreas Kupries <andreas_kupries@users.sourceforge.net>
Copyright (c) 1998, Tcl port: Evan Rempel <erempel@uvic.ca>
```