Very Computer

by **eggo** » Sun, 23 Dec 2001 03:12:59

anyone know how to do this ?
Say I have a number "2001122101", but I want to trim the last 2 characters
off, how do you do this in a shell script?

by **Chris F.A. Johnso** » Sun, 23 Dec 2001 03:45:57

> anyone know how to do this ?
> Say I have a number "2001122101", but I want to trim the last 2 characters
> off, how do you do this in a shell script?

var=2001122101

With a POSIX shell (bash, ksh, some flavours of sh, ...):

echo ${var%??}

Otherwise:

expr "$var" : '$.*$..'

--
Chris F.A. Johnson http://cfaj.freeshell.org
===================================================================
My code (if any) in this post is copyright 2001, Chris F.A. Johnson
and may be copied under the terms of the GNU General Public License

Very Computer

trim a range of characters from a string

trim a range of characters from a string

trim a range of characters from a string