ing positional parameters.
echo ${@:2} # Same as above.
echo ${*:2:3} # Echoes three po... sion ${variable%/*} and is less efficient for the same reason.
bash String Manipulations
By Jim Dennis... ost of the bang! tricks that work in csh work the same way in bash").
However, buried in there is a sec... be a "null" entry if we do it the other way. The same problem would have occurred in the previous examp
ned value.
# This state is called "null" (not the same as zero!).
if [ -n $string1 ] # string1 has n... =65
E_NOTFOUND=66
E_NOTGZIP=67
if [ $# -eq 0 ] # same effect as: if [ -z "$1" ]
# $1 can exist, but be
