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The -e option will cause a bash script to exit immediately when a command fails

 set -e or set -o errexit 
set -eo pipefail
set -euxo pipefail

set -eu
set -o vi
set compatible
set -o history (Bash history)
set -o pipefail
set -o errtrace 
set -u error when performing parameter expansion
set -x print every command that is executed and every variable that is set to the standard output. Useful to debug scripts.

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