10-18-2011
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
After I compile a C program, when I run it from a C shell script, it does not print out the results.
e.g:
myCFile.c: main(){printf("Hey");}
myCshScript: myCFile
This does not output "Hey" to the terminal window. I am not even sure if it is executed or not.
What should I do to see the... (2 Replies)
Discussion started by: barisgultekin
2 Replies
2. Shell Programming and Scripting
Hi All,
I have the following script.
#!/bin/csh
#
# createDATfile.sh
#
cd /export/home/fastserv/bin
source /export/home/fastserv/bin/dbenv.sh
echo `date` >> /export/home/fastserv/bin/log.txt
echo "%INF% Starting send of current FASTSERVICE batch" >>... (4 Replies)
Discussion started by: rahulrathod
4 Replies
3. Shell Programming and Scripting
I have an extraordinary problem with a csh script.....(feel free to berate the use of this but I'm modifying an existing bunch of them)
Anyway, I have a master csh script which in turn calls a second csh script. This second csh script is below. Within this second script are two compiled C++... (1 Reply)
Discussion started by: pollsizer
1 Replies
4. Shell Programming and Scripting
Ok I asked something similar earlier with no response, so maybe I didn't word it correctly. I'm new at this, so thank you for your help.
Here's what I have right now.
----------------------------
> cat MySourceFile
#!/bin/csh
echo "Please Enter Value For My_Env_Var:"
set answer = $<
... (1 Reply)
Discussion started by: MMorrison
1 Replies
5. Shell Programming and Scripting
i have atcl script and i want to source a csh script to reflect changes done by script ........
Please help....... (0 Replies)
Discussion started by: paragarora47
0 Replies
6. Shell Programming and Scripting
Hey I am brand new to this forum and scripting.
I have several documents (1000+) all formated exactly the same. Each document contains 97 lines. I want to pull 3 lines from the documents to populate a file. These 3 lines are line number 9, 24, and 58.
Ok my questions: Instead of using... (3 Replies)
Discussion started by: david6789
3 Replies
7. Shell Programming and Scripting
Hi All
Is there anyone who have the script to covnert a sh sell script to csh and can share with me?
Thanks a lot!
Nick:b: (3 Replies)
Discussion started by: nicolast0604
3 Replies
8. Shell Programming and Scripting
Hello all. I suspect this will be a simple case for an experienced csh scripter, but google is getting me nowhere on this one.
I'm trying to get someone else's set of scripts to work for me, and it's choking when the following script gets called:
#! /bin/csh
if (x$1 == x) then
echo ' you... (1 Reply)
Discussion started by: EinsteinMcfly
1 Replies
9. Shell Programming and Scripting
hi,
how to get the value of a registry using csh script.
thanks. (1 Reply)
Discussion started by: Rashid Khan
1 Replies
10. Shell Programming and Scripting
Using the C Shell, I'm building a script that will compute simple mathematical computations (addition, subtraction, multiplication, division). The user will enter two integers (operands) on the command line separated by the operation (operator) they wish to perform.
Example of the command line... (7 Replies)
Discussion started by: ksmarine1980
7 Replies
LEARN ABOUT OPENDARWIN
catch
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 +- }}
}
SEE ALSO
error(n), break(n), continue(n)
KEYWORDS
catch, error
Tcl 8.0 catch(n)