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or how about sed. x=`echo $i|sed s/.$//`

with vi its possible

:%s/.$//g

this will delete every last char on each line.

This is a continuation of this post (https://www.unix.com/showthread.php?s=&threadid=10131).

You can use this if you use ksh:

someVar=`awk '{ printf $2 ";" }' file`; someVar=${someVar%;}
...

If you're using ksh, you can strip off the last character like this:
x=${x%?}