Tcl - Re: Getting the return value of a command line program

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Re: Getting the return value of a command line program

Rufus V. Smith

2006-09-27, 7:04 pm

"Mark Okamura" <mark.okamura@ieee.org> wrote in message
news:1152811740.142985.67690@b28g2000cwb.googlegroups.com...
> Thank you gentlemen. I did not realize that "catching" close would
> return the program's return value. Tcl makes these tasks easy (with
> the group's help)!
>
> Mark
>

Yes, be glad.

We were doing scripting in awk, and the only way
we could get the return status of an executed program
was to execute a batch file, which in turn executed the
program, then echoed the %errorlevel% to the output, which
was then reparsed by the calling function, which grabbed
the last line of output (the echoed errorlevel).

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