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variables from a file

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# 1  
Old 09-10-2002
Question variables from a file
Hi I am trying to write a shell script that will read 4 lines from a file and put them in variables which will be used in the script.
Can someone tell me how can I read a line and put it in a variable?
I have tried this... but this does not work.
#! /bin/sh

cat yest | while read line
do
??? how ho I assign the line to a varible that will persist after the loop and ended?

done

....
# 2  
Old 09-10-2002
You can't do that with sh. sh will run a loop in a subshell. Switch to ksh snd it will work.
# 3  
Old 09-10-2002
no double threads please.
please do not post the same question 2 times. please use your orignal thread.

https://www.unix.com/shell-programming-and-scripting/7988-cat-setting-variables.html
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