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[info procs Test] {}] {source } # # Some pre-build keyed lists to test with. keyB1 } 0 {valueB1} Test keylist {keylget tests} { set keyedlist $list2. If {} is specified for retvar, the value is not returned, allowing the Tcl programmer to determine if a key is present in a keyed list without setting a variable as a. The procedure to add a record is called like this: Db_Insert keylist datablob The datablob might be a name, value list suitable for passing to array set, or simply a .

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The keyed list commands are part of the TclX extension package.

Lists and Keyed Lists

Note the lower-case ‘x’, an annoying inconsistency but too late to fix it now It requires Tcl 8. Except for command names, the implementation mimics the TclX keyed lists for the most part. The key-value pairs are referred to as fields. Keyed lists are constructed and accessed via a number of commands.

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By default the key is a simple string, and anything is legal as a key. TclX’s keyed lists were, in part, designed to allow structs in Tcl.

In order to get them to be present in your script, you have to issue the following command which will arrange for the relevant shared libraries to be loaded and scripts to be sourced.


A keyed list is a list in which each element contains a key and value pair. The way you install the extension package will depend on what distribution of Tcl you are using.

Intro to Tcl: Lists and Keyed Lists

In new code, consider using ekylist instead. That might be useful to people moving to newer a newer Tcl version. Stack Overflow works best with JavaScript enabled.

Is there anyone in the community who would like to create a wiki page that describes how one would modify a program using Tclx’s keyed lists to use 8.

DC — Though this code has the ability to nest lists and retrieve nested keys ieylist lists, it doesn’t support the TclX ability to references them via a dot. SS 28Sep — Probably people interested in keyed lists may be interested in alists for Tcl.

LV If you have the code on a keyliist page or in a web un source code repository, just mention the URL here. I think this is much superior he said, humbly: Here’s a little implementation of keyed lists. So, you could reference nested keys in a list with list1. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

Sign up or log in Sign up using Google. All keyed list management commands take keeylist name of the variable containing the keyed list as an argument i. Rakesh Lyf Iz Jrny 16 8. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.


how to set a keyed list in tcl? – Stack Overflow

It could easily be written to work in 8. Sign up using Facebook. That’s why I wrote records. Larry Smith One problem I have with both dicts and keyed lists is that each one drags around its own copy of the field names. Donal Fellows k 15 Not a problem when you have dozens of records, big problem when you have thousands.

You may well need to do it in an elevated command shell on Windows, or to prefix with sudo on OSX. I have written a code to get all the elements.

That installs the current version of a lot of packages, TclX among them. Are you sure your code is correct?

You can get the same result this way requires Tcl 8. Other advantages include thread safety, and a significant difference in performance.


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