a script to show rev/comp and show primers for both ends
example: CGGGTTTCAGGTTTTTGACTAAAAAATAAAAAAGCATGTCGAAAGTGATCTTTGCCCTTGTTTTGGTCGTGGTTCTGGTCGCCTGTATCAATGCCACATATGTCGAGTTTGAAGAAGCTTATGCTCCGGTGGATTGCAAGGGACAGTGCACTACTCCGTGCGAACCACTCACGGCATGCAAAGAAAAATGTGCCGAGTCTTGCGAAACTTCCGCTGACAAAAAGACATGTCGCAGGAATTGCAAGAAGGCCGACTGCGAACCCCAAGACAAGGTGTGTGATGCTTGCAGGATGAAATGCCATAAGGCTTGCAGGGCTGCGAACTGCGCAAGTGAATGTCCCAAGCACGAACACAAAAGCGACACCTGCAGAGCATGCATGAAGACAAACTGCAAGTAGATTGAAATAGTTGCAGGTTTTGGTGAAAGTTGTATATACATGTTAACCCAGAGCTTATGACCCTTGTTAACCCTAATTCGACAATATAATTTGAAATTTTGCTGGATTCTCACAATAGAATGTCTTCCATTAATCACAATACATAAACTTCATTTTACTCGG