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Simple line to enable debug in shell if '-debug' argument is specified
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| # version #1: enables xtrace if `--debug` argument is supplied | |
| [ -n "$(echo $@ | grep "\--debug")" ] && set -x | |
| # version #2: sets debug variable to 'true' if `--debug` argument is supplied or `xtrace` option is set | |
| debug=false && [ -n "$(echo $@ | grep "\--debug")" ] || [ -n "$(set | grep xtrace)" ] && debug=true |
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