05-15-2014
Hi Don - Thanks for your reply.
What operating system are you using?
-- Unix
What shell are you using?
-- ksh
What errors are you getting from your script?
-- I am not getting any error from the script as such and is working as expected.
Is err_list the name of a file, or is it the name of a variable that contains the name of a file?
-- err_list is the name of a file which contains different error types a file can have.
Are you trying to see if there are more than 2% of a specific type of error as specified by one line in the file named by $err_list , or all types of errors specified by all of the lines in the file named by $err_list ?
-- I want to if all types of errors specified by all of the lines in the file name $err_list is more than 2%
How is feed_cnt set? -- This value is wordcount on the file (wc -l)
Changing the condition to -gt eliminated creating the blank files.
Any thoughts on how I can check the sum of all types of errors is more than 2% of the feed count?
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catch(n) Tcl Built-In Commands catch(n)
__________________________________________________________________________________________________________________________________________________
NAME
catch - Evaluate script and trap exceptional returns
SYNOPSIS
catch script ?varName?
_________________________________________________________________
DESCRIPTION
The catch command may be used to prevent errors from aborting command interpretation. Catch calls the Tcl interpreter recursively to exe-
cute script, and always returns without raising an error, regardless of any errors that might occur while executing script.
If script raises an error, catch will return a non-zero integer value corresponding to one of the exceptional return codes (see tcl.h for
the definitions of code values). If the varName argument is given, then the variable it names is set to the error message from interpret-
ing script.
If script does not raise an error, catch will return 0 (TCL_OK) and set the variable to the value returned from script.
Note that catch catches all exceptions, including those generated by break and continue as well as errors. The only errors that are not
caught are syntax errors found when the script is compiled. This is because the catch command only catches errors during runtime. When
the catch statement is compiled, the script is compiled as well and any syntax errors will generate a Tcl error.
EXAMPLES
The catch command may be used in an if to branch based on the success of a script.
if { [catch {open $someFile w} fid] } {
puts stderr "Could not open $someFile for writing
$fid"
exit 1
}
The catch command will not catch compiled syntax errors. The first time proc foo is called, the body will be compiled and a Tcl error will
be generated.
proc foo {} {
catch {expr {1 +- }}
}
KEYWORDS
catch, error
Tcl 8.0 catch(n)