$ cat pm_11131708_in
>adbca3e
TGCTCCCCACGCTTGCCTCT
>4c2a958
TCCCCACGCTTTCGCGCTTC
>0639b5b
TCGCGCCTCAGTGTCCAACG

$ ./pm_11131708_fasta_rev_comp.pl

$ cat pm_11131708_out
>adbca3e
AGAGGCAAGCGTGGGGAGCA
>4c2a958
GAAGCGCGAAAGCGTGGGGA
>0639b5b
CGTTGGACACTGAGGCGCGA