context.sh

#!/usr/bin/env bash
log="/tmp/$(basename $0).log"
# Truncate existing log
echo -n > $log

echo the $0 script was called with... | tee -a $log
for a in "$@"; do
    echo $((++i)) $a | tee -a $log
done

echo -e "\n## BEGIN SCRIPT STDIN ##" >> $log
cat /dev/stdin >> $log
echo "## END SCRIPT STDIN ##" >> $log

echo -e "\n## BEGIN SCRIPT CONTEXT ##" >> $log
set >> $log
echo "## END SCRIPT CONTEXT ##" >> $log