solution without using sed, grep and eval (yikes!); does this suffice? i probably missed something obvious; run with ./ case ${1-start} in start) #

solution without using sed, grep and eval (yikes!); does this suffice? i probably missed something obvious; run with ./ case ${1-start} in start) # your script goes here... x=100 $0 foo ;; mid) echo "This is not printed!" x=101 $0 foo ;; foo) x=${x:-10} echo x is $x esac