Bash Scripting Variable Scope Using Piped While Loop
I've been struggling with this for awhile, wondering why all of my variables are null. I just realized the variables disappear after leaving this while loop.
Note that I'm piping to the while loop which makes a subshell I believe which is the cause of the issue:
echo "$accounts"|while read thisline; do
somevariable="some value"
(( ++counter ))
done
At all costs you need to avoid the style above, use a for loop or whatever it takes BUT DO NOT pipe anything in or the variables you get from the loop will be NULL
Tags:
bash, scripting, variable, scope, piped, loopi, ve, struggling, variables, null, piping, subshell, echo, quot, thisline, somevariable,