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Shell Programming and Scripting
Keeping vars set in while loop with redirection
Post 32656 by criglerj on Tuesday 3rd of December 2002 09:44:39 AM
12-03-2002
Update: It CAN work in Bourne shell
Actually, it can work in the Bourne shell. The mistake I made was to use the same variable for loop control and as the result. Specifically, the "exec" version works fine if reading a different variable than you're looking for at the end:Code:
#!/bin/bsh
k=1
exec <file
while read kr ; do
k="$kr"
done
exec <&-
echo "$k"|
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