On Sun, 23 Dec 2012 10:34:34 +0100, Polytropon wrote:
> First, the lines with "read" have to be:
> 
> cat /foo/bar.txt | while read $LINE1
> 
>       cat /foo/bar/foo/bar.txt | while read $LINE2
> 
> Reason: $LINE1 and $LINE2 will be evaluated here, they are "empty
> string", causing "read" to throw an error.

Excuse me - I made a mistake! Of course those two lines
have to be:

cat /foo/bar.txt | while read LINE1

and

        cat /foo/bar/foo/bar.txt | while read LINE2

The $ infront of the variable names have to be removed.
The variable _name_, not its content, has to be provided
to "read" as a parameter.

The script so far:



#!/bin/sh

cat foo.txt | while read LINE1
do
        cat bar.txt | while read LINE2
        do
                if [ "$LINE1" = "$LINE2" ]; then
                        sw="1"
                        echo "Current value of sw is : " $sw
                        break
                fi
        done
        echo "Value of sw is : " $sw
        if [ "$sw" = "0" ]; then
                echo "DO SOMETHING!"
        fi
        sw="0"
done



-- 
Polytropon
Magdeburg, Germany
Happy FreeBSD user since 4.0
Andra moi ennepe, Mousa, ...
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