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Feb 022010
 

Check the exit status of a command

Answer:

You can check the exit status of a command by checking the special variable $?

E.g.

# ls
# echo $?
0

# foo
-bash: foo: command not found

# echo $?
127

Non zero (e.g. 127) exit status mean the command failed to execute.

  One Response to “Check the exit status of a command”

  1. [...] have learned in the past on how to show the exit status of a given [...]

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