concatenate string in shell script

[Corey Edwards]

On Thu, 2006-03-16 at 09:00 -0700, Wade Preston Shearer wrote:
> Is it possible to do the following (example written in PHP) in a  
> shell script?
> 
> $var = 'abc';
> $var .= 'dfg';
> $var .= 'hij';

var='abc'
var="${var}dfg"
var="${var}""hij"
var2="klm"
var="${var}${var2}"

I recommend always putting variables in {} and "". {} prevents your
variables from being confused with string literals. "" prevents spaces
from causing problems.

Corey

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