command help

[Joyce Suganthy]

Hi All,

I need some help.
If I have a cluster with three servers, hostname abc1,abc2,abc3.

I need to write a script to compare files in all three servers, where i am gonna use the remsh command.
Say for example if the $var = abc1, then look for the abc2 and abc3 and do the remsh. How do i cut only the characters in the hostname like abc1, i only wanna pick up the 'abc' and then continue the process from there, so i need not hardcode the hostname, as I have many clusters in hand.

Thanks

Regards

[Mark Grant · Accepted solution]

This works for me

characters=`expr $hostname : "\([^0-9]*\)"`

[Leif Halvarsson_2]

Hi,
Another solution:
a=$(echo abc1 |tr -d [:digit:])
echo $a

[Steven Sim Kok Leong]

Hi,

Here's another way:

echo $var | sed 's/[0-9]//g'

Hope this helps. Regards.

Steven Sim Kok Leong