Home > Tcl Error > Tcl Script Error

Tcl Script Error

Contents

If varName is supplied, the value returned by script is placed in varName if the script successfully executes. It's better practice to put separate "catch" commands around both the "puts" and the "close" commands to detect errors in either case and handle them appropriately.This is a different style of Promote the shape of Table more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life Is either Ghost Rider or Mortal Kombat's Scorpion a derivative of the other? http://colinmeldrum.com/tcl-error/tcl-error-out.html

This allows relatively easy to return all error parameters to a caller. finally ...kbk 2000-12-14: A pure-Tcl implementation of a Java-style try construct, along with a worked example of catching break, continue, error, return.ucatchDeunicodifies the error message. Binary to decimal converter A riddle of honour What is meant by the phrase “Software can replace hardware”? Why is this file name truncated in Nautilus?

Tcl Error Handling

What is Tk? The catch command will catch all of these exceptions. So in C, you have to add checks for everything that might go wrong; in Tcl, you only need to treat errors if you can express it better than Tcl already Join them; it only takes a minute: Sign up How to stop a tcl script on error?

for an explanation."Undefined symbol: main" or similarThe message, which comes not from Tcl but from some tool in the build process, occurs when linking an application. Generates a return exception condition. catch {return hey!} => 2 For most purposes, you can simply treat any non-zero exception as an error condition; the only time you need to worry about the distinction is when Tcl Try Catch Example From x.tcl, you can run xtclsh as an external application via the "exec" command.

Seventeen year old daughter wants to take international trip to meet someone she met online What do you do with all the bodies? Tcl Catch Example Incomplete and subject to change at short notice, but something is better than nothing. :-)trythrowreturnArts and crafts of Tcl-Tk programmingCategory Command HomeRecent changesHelpWhoAmI/LogoutCreate new pageRandom pagePrevious pageNext pageAdd commentsEditHistoryEdit summaryReferences Page To start viewing messages, select the forum that you want to visit from the selection below. http://wiki.tcl.tk/catch return editJMN 2007-11-24:I've been in the habit of using the idiom:if {[catch { #somescript } result_or_errormsg]} { #handle error } else { #normal processing }However..

See Also editbreakcontinuereturnerrormagic nameserrorCodeerrorInfoTcl performance: catch vs. Tcl Error Code In addition the standard exceptions, Tcl lets you define your own. While the stack trace is useful during debugging, it's probably not desirable for a production program. You can use either the catch or the try command to do so.

Tcl Catch Example

Cheers,Jim Message 9 of 11 (9,418 Views) Reply 0 Kudos icel Observer Posts: 17 Registered: ‎11-19-2007 Re: Xilinx ISE Tcl Script Error Options Mark as New Bookmark Subscribe Subscribe to RSS A Tcl proc can also generate an error status condition. Tcl Error Handling If no error occurred, var is set to contain the result of executing the script. Tcl Error Command Reply With Quote September 1st, 2015,05:32 AM #4 Himanshu123456789 View Profile View Forum Posts Altera Beginner Join Date Aug 2015 Posts 4 Rep Power 1 Re: Error in Tcl Script I

set foo Error: can't read "foo": no such variable The Stack Trace When not running interactively, the Tcl interpreter generates a stack trace upon receipt of an error. navigate here Pretty natural, no? It is certainly better to fix problems the first time they appear, but tinkering with the code on a live system is rather poor practice.Most users would rather not have the Seriously. Tcl Throw Error

can't find package xilinx while executing "package require xilinx" (file "C:\Xilinx\10.1\ISE/bin/xilinx-init.tcl" line 30) invoked from within "source $env(XILINX)/bin/xilinx-init.tcl" ................. See the try command. This is meant to be in a format that is easy to parse with a script, so that Tcl scripts can examine the contents of this variable, and decide what to http://colinmeldrum.com/tcl-error/tcl-error-f5.html The error Command error message ?info? ?code?

For instance,set fp [open foo.bar]leads to the errorcouldn't open "foo.bar": no such file or directorywhich tells it pretty well, and does not terminate the application if it has an event loop Tcl Errorinfo Also, sometimes the error msg in question is from the operating system, but it appears as though the error is coming from Tcl. If you want to use this approach in a more robust and fast manner, you may want to defineproc throw {{msg {}} {code 10}} { return -code $code $msg }This will

The continue condition, generated by the continue command.

If there is an error, default is returned (or the empty string, if default isn't specified). e.g.exec xtclsh x_ise.tcl your_options_hereI suggest you look up exec and catch command in tcl manual to make your script more robust and complete. Some New Control Structures Here are some example of new control structures. Tcl Catch Exec Verify the md5 sum of all of the Altera Quartus and Modelsim downloads you've installed.

Forum New Posts FAQ Calendar Community Groups Forum Actions Mark Forums Read Quick Links Today's Posts View Site Leaders Marketplace Shared Material FAQ About Us Register Chinese Forum Advanced Search Forum If no error occurs, catch returns 0. command is executed in the global context; an occurrence of the string %S in command will be replaced with the signal name (use %% to get a percent sign); get, which this contact form more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

Reply With Quote September 11th, 2015,08:17 PM #5 Galfonz View Profile View Forum Posts Altera Guru Join Date Sep 2012 Location Albuquerque, NM USA Posts 748 Rep Power 1 Re: Error Have you verified the integrity of your downloads? The catch Command catch body ?var? Reply With Quote Quick Navigation General Altera Discussion Top Site Areas Settings Private Messages Subscriptions Who's Online Search Forums Forums Home Forums General General Altera Discussion Altera Forum Website Related Altera

It is possible to "catch" errors and exceptions with the catch command, which runs some code, and catches any errors that code happens to generate. See the exec page for how to take it apart. in the same manner as upvar. Do you mean that after installation.

Can a PC change Backgrounds mid-campaign? siglist is a list of signal names; the action is applied to all of the signals. Any idea how to solve this? I'm trying to execute the xilinx tcl commands from that tcl script.In the tcl script, i only have the following code.source $env(XILINX)/bin/xilinx-init.tclBut i received the following error when the script gets

The timeout Command timeout seconds body The timeout command executes the script body with a timeout of seconds: if body doesn't finish execution within the specified time frame, it is interrupted Synopsis edit error message ?info? ?code? The problem in that case is that the caller isn't obeying the interface contract, not that the implementation has gone wrong.RS 2001-11-21: In C, errors are something you loathe and try