er-field separator in the Bourne, and Korn shells as well as bash) to parse each line of /etc/passwd and extra... t to yes: lines are read using the null character as terminator, else they are read using the standard newline as terminator.
This function may block waiting for ... obably many many others.
The library tries to do as much as possible using functions and aliases, not variabl... .
The return value of the test functions is used as result of the test: true, the test succeeded; fal
=4
b=5
# Here "a" and "b" can be treated either as integers or strings.
# There is some blurring be... alue.
# This state is called "null" (not the same as zero!).
if [ -n $string1 ] # string1 has not ... # Wrong result.
# Shows $string1 as not null, although it was not initialized.
echo
... ood practice to quote it (if [ "$string1" ]).
#
# As Stephane Chazelas points out,
# if [ $string1
