in the C world, a function can return error code to represent the exit status, and use INOUT/OUT parameter to carry the actual fruit of the process. when it comes to xmlrpc, no INOUT/OUT parameter, is ...

I m trying to check for an SVN tag existence from a Perl script. So I try calling svn info $url, read exit code and suppress standard output and standard error streams. However, I struggle to do this ...

I have a program (grabface) that takes a picture of the face of a person using a webcam, and I also have a shell script wrapper that works like this: On the command line the user gives the script the ...

I am working on a shell script, and want to handle various exit codes that I might come across. To try things out, I am using this script: #!/bin/sh echo "Starting" trap "echo "first one"; echo "...

I have the following error: Command /usr/bin/codesign failed with exit code 1 Here is what I already did for trying to fix this: set the bundle identifier to com.server.pgmname set the code ...

I get wrong exit code from waitpid and I can t figure out why. Could someone give me some ideas? Here what I do: I start my child process with open2 then I wait for it to finish with waitpid get ...

Greetings all. I m setting up a cron job to execute a bash script, and I m worried that the next one may start before the previous one ends. A little googling reveals that a popular way to address ...

I m wondering if anybody knows of a way to conditionally execute a program depending on the exit success/failure of the previous program. Is there any way for me to execute a program2 immediately ...