Remove the first and the latest caracter of a string

var=:foobar:; echo ${var:1:-1}

9
By: sputnick
2011-11-19 03:33:46

1 Alternatives + Submit Alt

What Others Think

Not working on Centos! I got #var=:foobar:; echo ${var:1:-1} -bash: -1: substring expression < 0
dynaguy · 356 weeks and 5 days ago
@dynaguy, what is your shell ? You can know it by sending in your shell cat /proc/$$/cmdline And the version : echo $SHELL -version
sputnick · 356 weeks and 5 days ago
oops, typo : $SHELL -version
sputnick · 356 weeks and 5 days ago
[root@atom ~]# $SHELL -version GNU bash, version 3.2.25(1)-release (i686-redhat-linux-gnu) Copyright (C) 2005 Free Software Foundation, Inc. I tested on Ubuntu and it works. But not work on CentOS 6.0 32bit. Here is the CentOS: [root@atom ~]# $SHELL -version GNU bash, version 3.2.25(1)-release (i686-redhat-linux-gnu) Copyright (C) 2005 Free Software Foundation, Inc. [root@atom ~]# $SHELL -version GNU bash, version 3.2.25(1)-release (i686-redhat-linux-gnu) Copyright (C) 2005 Free Software Foundation, Inc.
dynaguy · 356 weeks and 5 days ago

What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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