[plug] How to check for an empty string in a bash script.

[Buddrige, David]

thanks heaps Tony... 8-)

regards

David.

-----Original Message-----
From: Anthony J. Breeds-Taurima [mailto:tony at cantech.net.au]
Sent: Wednesday, 15 December 1999 10:57
To: 'plug at linux.org.au'
Subject: Re: [plug] How to check for an empty string in a bash script.


On Wed, 15 Dec 1999, Buddrige, David wrote:

> Hi all, 
> 
> I have the following code in a bash script that I am writing...
> 
> if [ THE_PATH="" ]; then
> 	echo "The Path is:" $THE_PATH
> 	echo "FAIL! FILE DOES NOT EXIST."	
> fi

if [ -n "$THE_PATH" ] ; then
	echo the path contains data
fi

if [ -z "$THE_PATH" ] ; then
	echo the path is empty
fi


Yours Tony.