[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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Intro to Tcl: Lists and Keyed Lists

I think this is much superior he said, humbly: Sign up using Email key,ist Password. However, the recommendation is often made these days to moving to Tcl 8. You may well need to do it in an elevated command shell on Windows, or to prefix with sudo on OSX.

That might be useful to people moving to newer a newer Tcl version. Donal Fellows k 15 That’s why I wrote records. The format’s different, but the capabilities are similar.

With records there is just one master copy of the field names, and thereafter each record of ketlist same type only needs the data. For TclX documentation, this seems to be a good place to start.

Lists and Keyed Lists

The way you install the extension package will depend on what distribution of Tcl you are using. In order to get them ni 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.


When I am going to use ” keylset ” in my code, it is getting an error “invalid command name “keylset””. Where can I upload the code for comments? Sign up or log in Sign up using Google. If you don’t have something like that, Google and yahoo both make various resource available for people to make code, etc.


Note the lower-case ‘x’, an annoying inconsistency but too late to fix it now All keyed list management commands take the name of the variable containing the keyed list as an argument i. Oh yeah, I’m trying to turn sfm into a pure Tcl application. There is no limit to the keylost depth of subfields, allowing one to build complex data structures. That installs the current version of a lot of packages, TclX among them.

LV If you have the code on a web page or in a web accessible source code repository, just mention keylkst URL here. The key-value pairs are referred to as fields. Not a problem when you have dozens of records, big problem when you have thousands.

Except for command names, the implementation mimics the TclX keyed lists for the most part. It tcp easily be written to work in 8.

I didn’t really bother with that code. From the TclX man page, you can read: 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.


TclX’s keyed lists were, in part, designed jn allow structs in Tcl. It requires Tcl 8.

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

So, you could reference nested keys in a list with list1. SEH — For some reason I have re-implemented Tclx ‘s keyed list commands keylset, keylget, keylkeys, keyldel in pure Tcl. Keyed lists are constructed and accessed via a number of commands. Email Required, but never shown. Are you sure your code is correct? The keyed list commands are part of the TclX extension package. You can get the same result this way requires Tcl 8.

Other advantages include thread safety, and a significant difference in performance. These element pairs are stored as lists themselves, where the key is the first element of the list, and the value is the second. By default the key is a simple string, and anything is legal as a key. A keyed list is a list in which each element contains a key and value pair. Keyoist you say for the most part. If you’re using Debian or a derivative of it you will probably do: Post as a guest Name.

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. Subfields are actually fields where keylisr value is another keyed list. This is an example of kfylist keyed list: