If I understand the problem correctly, what about
map { rename  "pair${_}" . $RUN_NAME . ".log" "$OUT_DIR/"."allfiles/".
+"$LOG_FILE_${_}" } (1..10);

[download]
Of course, you may be able to simplify the strings a bit.

--traveler

In reply to Re: Can I use a regex here? by traveler
in thread Can I use a regex here? by mndoci

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