In addition to the previous comments, using for var in `cat file` is usually wrong. The file will not only be split by newlines, but by other symbols (defined in shell variable IFS; spaces, newlines and tabs by default) too. If you need similar behaviour, you need perl -lpe 'join "\n",split/[\t ]/' file.
EDIT: fixed code
Sorry if my advice was wrong.

In reply to Re: Bash for loop variable pass equivalent in perl by aitap
in thread Bash for loop variable pass equivalent in perl by ZWcarp

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