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Tcl variable names - no real limits!
In Tcl, there are no limits as to what you use as a vaiable name in Tcl, although I would reommend that you stick with "letter, followed by letters, digits, underscores". Here are some examples of thinks you can, but should not, write: % set " " ohdear!Remember that in Tcl, you put s $ in front of a varioable name if you're just using the existing content, and no $ if you;re setting (or in a syntax where it will possibly be set) (written 2015-03-10, updated 2015-03-11) Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles T202 - Tcl/Tk - Tcl Fundamentals[4324] Learning to program - variables and constants - (2014-11-22) [3917] BODMAS - the order a computer evaluates arithmetic expressions - (2012-11-09) [2442] Variable storage - Perl, Tcl and Python compared - (2009-10-08) [1469] Curley brackets v double quotes - Tcl, Tk, Expect - (2007-12-12) [1426] Buffering up in Tcl - the empty coke can comparison - (2007-11-10) [1282] Stringing together Tcl scripts - (2007-07-29) [1136] Buffering output - why it is done and issues raised in Tcl, Perl, Python and PHP - (2007-04-06) [782] Converting between Hex and Decimal in Tcl - (2006-06-28) [362] The ireallyreallywanna operator - (2005-06-28) [349] Comments in Tcl - (2005-06-16) [328] Making programs easy for any user to start - (2005-05-29) [210] Joining lists in Tcl. Indirect variables in Tcl. - (2005-02-12) [3] Looking for a donkey - (2004-08-05)
Some other Articles
Test framework for TCL - Tcltest - some examplesObjects in Tcl - iTcl - updated first steps example Working out distance between places, using OS grid references and a program in Tcl Everything is a string - even a list Tcl variable names - no real limits! Binary data handling - Python and Perl Running an operating system command from your Python program - the new way with the subprocess module Deciding whether to use parameters, conditional statements or subclasses Spike solution, refactoring into encapsulated object methods - good design practise What is the difference between a function and a method? |
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Link to page ... 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96 at 50 posts per pageThis is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.
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