shell script - How can I use bash's if test and find commands together? - Unix & Linux Stack Exchang I have a directory with crash logs, and I'd like to use a conditional statement in a bash script based on ...
csh shell script - test the grep command has been sucessfully match pattern. Experts Exchange powers the growth and success of technology professionals worldwide. Solve Experts ...
How to check if a command succeeded? - Ask Ubuntu 7 Mar 2011 ... In bash you can also get info on builtins and keywords with the help builtin ... would not echo success because the command breaks before &&.
Bash script testing if a command has run correctly - Unix & Linux ... 13 Dec 2010 ... I am thinking of testing if a directory is a repo for a system by running a typical info command and checking the return code, success or error.
bash - How to conditionally do something if a command succeeded ... 16 Oct 2011 ... How can I do something like this in bash? ... But if you want to test whether a command succeeded or not, use the command ... then echo success else echo failed fi if [ $RESULT == 0 ]; then echo success 2 else echo failed 2 fi .
linux - Aborting a shell script if any command returns a non-zero ... I have a Bash shell script that invokes a number of commands. ... A simple command is any command not part of an if, while, or until test, or part of an .... if command; then echo "command successful" >&2 else ret=$? echo ...
linux - How to exit if a command failed? - Stack Overflow I want to print a message and exit my script if a command fails. ... and || in scripts work based on success not on the return value. ... This can just be replaced by if my_command, there is no need to use the test command here.
How to Test for the Success of a Previous Command in a Bash Shell ... 2 Oct 2013 ... Learn how to test for the success of the previously run command in your bash shell script.
[SOLVED] How do I error check a command in BASH? - Ubuntu Forums I'm writing a script to automate a few things for some new users. ... I have the command: gksudo aptitude install vlc How would I go about error catching ... Usually programs return zero on success or something else on failure.
Writing shell scripts - Lesson 8: Flow Control - Part 1 Commands (including the scripts and shell functions we write) issue a value ... of 0 to 255, indicates the success or failure of the command's execution. ... The test command is used most often with the if command to perform true/false decisions.