ion.
Usually these commands are used within the "back tick" shell operators like TARGETDIR=`dirname $1`. The "back tick" operators are equivalent to the $(...) cons... tring}
Strips shortest match of $substring from back of $string.
${string%%substring}
Strips longest match of $substring from back of $string.
stringZ=abcABC123ABCabc
# ... trip out shortest match between 'b' and 'c', from back of $stringZ.
echo ${stringZ%%b*c} # a
# Stri
