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PATH and $0

From: Cai Qian
Subject: PATH and $0
Date: Tue, 11 Jul 2006 15:49:31 +0100


What is the expected result of the following script?

#! /bin/bash -

export PATH=/tmp/
echo $0

exit 0

Then, put this file to /tmp/.
cd / and run

PATH=/tmp/ script.sh

In some Linux, it will print "/tmp/script.sh", while in other, it will
print "script.sh" only. Which is wrong? If both are fine, is there any
better way to make it portable?


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