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Try something this..


if [[ $a != "" && $a = $b ]]
then
echo "pass"
else
echo "fail"
fi

string="`grep pattern filename`"

These use the shell's pattern matching operators.

YEAR=${format%????}
### Delete 4 characters from the end of format's value (format remains unchanged)
### and return that string (YYYY in this...

Here is from another document,
Device Mapper Support for the udev Device Manager :

NOTE: /dev/dm-N nodes should never be used in scripts to access the device since the N number is assigned ...

@Peasant: Any clue why it /dev/dm-n files should not be used? The doc does not say much about that.

Folks, according to DM Multipath - DM Multipath Configuration and Administration ...

make sure you are in the directory that contains those files or use their absolute path.

cd $YOURDIR
for i in x?
do
echo "hello" >>./$i
done

The reserved UID numbers vary from one UNIX/Linux system to another.

Here's a list of system users with their UIDs on Solaris:

root:0
daemon:1
bin:2
sys:3
adm:4
lp:71
uucp:5
nuucp:9...