trimest(1e) on Linux
The text a02f8dd6bc9e, as Debian 8 (Jessie), Debian 7 (Wheezy) shipped it.
Remove poly-A tails from nucleotide sequences
Flags it lists
-
-fiveprime -
-minlength -
-mismatches -
-outseq -
-reverse -
-sequence -
-tolower