Run Perl code inside the quotes:
"Can't load ${\( $0 . 'hey' )}"
2018/08/30
2018/06/01
Bash help
set -e : Exit immediately if a command exits with a non-zero status
set -u : Treat unset variables as an error when substituting
set -o pipefail : Normally, pipelines only return a failure if the last command errors. In combination with set -e, this will make your script exit if any command in a pipeline errors.
set -u : Treat unset variables as an error when substituting
set -o pipefail : Normally, pipelines only return a failure if the last command errors. In combination with set -e, this will make your script exit if any command in a pipeline errors.
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