util::catch_exec (public)

 util::catch_exec command result_var

Defined in packages/acs-tcl/tcl/utilities-procs.tcl

Catch a call to Tcl exec. Handle shell return codes consistently. Works like catch. The result of the exec is put into the variable named in result_var. Inspired by https://wiki.tcl-lang.org/1039

Parameters:

command (required)

A list of arguments to pass to exec

result_var (required)

Variable name in caller's scope to set the result in

Returns:

0 or 1. 0 if no error, 1 if an error occurred. If an error occurred the error message will be put into result_var in the caller's scope.

Author:

Dave Bauer

Created:

2008-01-28

Partial Call Graph (max 5 caller/called nodes):

Testcases:

No testcase defined.