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S OPIN SOURCE SUMMIT Writing Robust Bash Scripts
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Writing Robust Bash Scripts
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- 1 S OPIN SOURCE SUMMIT Writing Robust Bash Scripts
- 2 What can go wrong here?
- 3 Choose a shebang (#!) carefully ...
- 4 If you are coding in bash then use the bash shebang
- 5 If you want to create a POSIX script use 'checkbashisms' script to check your script for bashisms
- 6 Use set -o pipefail
- 7 Use local for variables in functions Variables in bash have global scope
- 8 Cron Jobs: "SILENCE IS GOLDEN" What can go wrong with the following code if the script triggers errors that are not redirected properly?
- 9 Exit your scripts with an explicit exit (n 0) on any non-normal exit
- 10 Use www.shellcheck.net Shell Script analysis tool
