Lists in tcl
http://computer-programming-forum.com/57-tcl/691807c0ca3c8323.htm WebWhen comparing lists of about 7000 elements, it takes 10s to compare it on a P3/850. And my software will probably have to compare about 50k elements... I'm looking for a way (Tcl or C, or both :) to do it faster. For now I guess that if I'll sort these lists and compare them at once, it should speed up. This is just a though though...
Lists in tcl
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Webattempting to claim that Tcl lists are the same as linked lists; in fact, I failed to consider Tcl's hash tables properly, on which both authors use their counterexample-based arguments. However, both proposed designs fail on several accounts: first, they don't take into accounts the memory mamagement issues involved (ie. leaking memory). Web13 dec. 2024 · Foreach. The foreach command in Tcl creates a loop that iterates through all of the elements of a list. Do not get confused, arrays are not lists. Most commonly, lists are one dimensional but it is possible to loop through multi-dimensional lists. The syntax for the foreach command is. foreach variable list body.
WebA list is simply an ordered collection of stuff; numbers, words, strings, or other lists. Even commands in Tcl are just lists in which the first list entry is the name of a proc, and subsequent members of the list are the arguments to the proc. Lists can be created in several ways: by setting a variable to be a list of values Web15 mrt. 2024 · I'm not sure what you are trying to do exactly, but you can iterate on the list itself: foreach n $ie_ports { puts [string trim $n] } Another issue is that your procedure …
WebDESCRIPTION. This command returns a list comprised of all the arg s, or an empty string if no arg s are specified. Braces and backslashes get added as necessary, so that the … Web5- Fifth step: Click on the first option that will appear called "Digital Tuning" or "Satellite setup". 6- Sixth step: We will see a list of options, we select the third option called " Program List edit " or "Satellite Programme List edit" and press the central button or "OK" on the remote control of our TCL 65C849. 7- Seventh step:
WebTcl Lists - List is one of the basic data-type available in Tcl. It is used for representing an ordered collection of items. It can include different types of items in the same list. Further, a list can contain another list. A simple Tk example is shown below using some mega widgets. #!/usr/bin/wish … Tk Fonts - There are a number of widgets that supports displaying text. Most of … Tk Images - The image widget is used to create and manipulate images. The … Tcl Tk Quick Guide - Tcl is shortened form of Tool Command Language. John … Tk Geometry Manager - The geometry manager is used to manage the … Tk Events - Events in its simplest form is handled with the help of commands. A … Tk Widgets Overview - The basic component of a Tk-based application is … tcl_platform. Used for representing the array of elements with objects including …
WebThe commands used here for lists and their descriptions: There are more list related commands like lsort, lset, lrange, lsearch and even others like split, join etc. See the manual for details on these commands. split Split is a very … soil is affected by climatic factorsWeb13 sep. 2014 · One of the keys to successfully working with lists in Tcl is to understand that although braces ( { and }) are often used to delimit individual words in lists, braces do … soil is composed of 100% mineral matterWeb28 okt. 2013 · Collecting two lists like that might not be the best thing to do with such stuff. Often, it is better to instead to store in an array: # Guarded by that [regexp] inside the … soil investigation report costWeb6 okt. 2016 · checking if list element exists in TCL can't find it. set NameList [list 'foo' 'moo 1' 'too 1 3' 'Enterprise 1'] and i try to check if "foo" is in the list but i get false set test "foo" … soil investigation testWebThe lindex command accepts a parameter, list, which it treats as a Tcl list. It also accepts zero or more indices into the list. The indices may be presented either consecutively on the command line, or grouped in a Tcl list and presented as a single argument. If no indices are presented, the command takes the form: lindex list or lindex list {} soil ionic strengthWebYou do not need all list commands, most can be replaced by a proc (think lsearch, lsort, lreplace, linsert, lindex). Its just a tradeoff how many list commands exist. (see struct::list for some more). Having more or fewer commands is mostly an optimization in time or space. slt in financeWebThe foreachcommand implements a loop where the loop variable(s) take on values from one or more lists. In the simplest case there is one loop variable, varname, The bodyargument is a Tcl script. from first to last), foreachassigns the contents of the element to varnameas if the lindexcommand had been used soil investigation pte. limited-the grid