November 1999
Intermediate to advanced
832 pages
19h 28m
English
Content preview from Practical Programming in Tcl & Tk, Third EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Libraries Based on the tclIndex File
You can create libraries without using the package command. The basic idea is that a directory has a library of script files, and an index of the Tcl commands defined in the library is kept in a tclIndex file. The drawback is that versions are not supported and you may need to adjust the auto_path to list your library directory. The main advantage of this approach is that this mechanism has been part of Tcl since the earliest versions. If you currently maintain a library using tclIndex files, it will still work.
You must generate the index that records what procedures are defined in the library. The auto_mkindex procedure creates the index, which is stored in a file named tclIndex that is kept in the script ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.