drazen@VLSI.CALTECH.EDU (Drazen Borkovic) (07/11/89)
Bash version 1.02
Strings quoted with double quotes (") are effectively
null strings.
$ echo 'abcd'
abcd
$ echo abcd
abcd
$ echo "abcd"
$ P='a b'
$ echo $P
a b
$ echo "$P"
$
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Hope this helps.
Drazen Borkovic, Caltech 256-80, Pasadena CA 91125
e-mail: drazen@vlsi.caltech.edu