See “ Bash Find out the exit codes of all piped commands” for more info. How to deal with the exit codes of all piped commands Misuse of shell builtins (according to Bash documentation) Script failed' >&2įi Recommend exit code for your shell scripts Exit Codes With Special Meanings Exit status # Did we found IP address? Use exit status of the grep command #Įcho 'Success: I found IP address in file.'Įcho 'Failure: I did not found IP address in file. # Sample shell script to demo exit code usage # || exit 1 A sample shell script to get the exit code of a command #!/bin/bash The exit command cause normal shell script termination. How do I set an exit code for my own shell scripts? & echo '$cmd command was successful' || echo '$cmd failed' Now take some decision based upon '$status' # Get exist status and store into '$status' var # So how do you store exit status of the command in a shell variable? Simply assign $? to a shell variable. Bash get exit code of command – How to use exit codes in shell scripts Further, the exit code is 127 (non-zero) as the nonexistant-command was not successful. How to get the exit code of a command such as date and date-foo-barįrom the above outputs, it is clear that the exit code is 0 indicates that date command was successful.

Installmate check last exit code