hen a negative `offset' begins with a minus sign, however, unexpected things can happen. Consider
<co... page offers no examples.
Here I'm going to show how to use some of these features to do the sorts of ... l for more flexible and complete string handling. However this can be overkill -- and a little ungainly... omplete reference to the "readline" libraries and how to write a .inputrc file (which I think should al
n test brackets (see Example 7-6) normally works, however, this is an unsafe practice. Always quote a t... ts of all-integer characters.
# Caution advised, however.
echo
if [ "$a" -ne "$b" ]
then
echo "$a ... rator alone detects whether the string is null.
# However it is good practice to quote it (if [ "$strin... lse condition. So far, everything as expected.
# However ...
[ 1 -eq 2 -a -n "`echo true 1>&2`" ]
