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urjitbhatia/bash_debug.sh

Created August 25, 2019 02:28
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Bash debug trick
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bash_debug.sh
#!/bin/bash
# exit when any command fails
set -e
current_command=$BASH_COMMAND
last_command=""
# keep track of the last executed command
trap 'last_command=$current_command; current_command=$BASH_COMMAND' DEBUG
# echo an error message before exiting
trap 'echo "\"${last_command}\" command filed with exit code $?."' EXIT
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