puzzle club 3: reverse complement DNA sequence

reverse_complement_julia.ipynb

{
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  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Reverse complement of a DNA sequence\n",
    "====================================="
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {
    "collapsed": false
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "\"GCTTGGAGCGTCAGGCTAGAATGATTCAGGTGTGGCAGCATCTTTAGGAAGGCAAACCTATATACCCGATACATCCTTTGCCCTGTCTTTCGGGTTATGCTCTTATAACCACCAGTGTGTCCGGGCGGATGAAGCTGTTGATGATGCGAACATTATTGTTTAGGTTGTCCCCCGCGTCAACCTCTAGAGATCTCTGCCCATCTCCAGTGGACTCTATGGGGAGCAAGACATCCAGAAACGCATGAAACATGGCAGGGGTGTGCCCTGCTTAGGGCTCCCCTTTAATGACGTCGGTGCGGACACGTGCCCTATTCTCTGCGGGCGAAAAAAAGTGTTCCGTAGCATCGCGTATTATGTAACACGTAACGCGACCCGGAGTCATTGAATTTACACTCGTTTACCGCGAGGACTAAAATAGCACGTTAGGCGGGACCTCTTCGTGAGTTATGGGCTAGATCCGTTGCTCTGCTCAAGCGCCCGCCGTCCAGAGTAAGATAAGTAAGTAATTCGGAACATACCTTGCTATATGGACTACTTGTTATCTACTTACCCACTGAGGACATCGGCTCCAGGATTGGAATAAGCTAAGTAGTAGCGATGACTAACGCTGGGGGTAGATGCTTTAAAAACTGGTGGTGGGGCAGATCCGAGTCTCCGCTGTGTCACTTCTCGCCTACTGACAGCAATCAACTAAAGGTATAATGTTCCATTACCCTTTCGACTCGCAGACCCTCACACGAAGTTTTAGCGTAACATAATTTATACACCGGGCTAACGCTGTTGATCCCCTGAACGGTCCTTCTTCTATATCGCTCATTCCCTCGGTATTAGGGACCCAATCCGACGAGCGCATATTGGAAT\""
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "function reverse_complement(x)\n",
    "    s = chomp(readall(x))\n",
    "    \n",
    "    IN =  \"ACGT\"\n",
    "    OUT = \"TGCA\"\n",
    "    b = Char[]\n",
    "    \n",
    "    for i in s\n",
    "        push!(b, OUT[search(IN, i)])\n",
    "    end\n",
    "    \n",
    "    return AbstractString(reverse(b))\n",
    "end\n",
    "\n",
    "reverse_complement(\"/home/scott/rosalind_revc.txt\")"
   ]
  }
 ],
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  "kernelspec": {
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   "language": "julia",
   "name": "julia-0.4"
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   "file_extension": ".jl",
   "mimetype": "application/julia",
   "name": "julia",
   "version": "0.4.2"
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 },
 "nbformat": 4,
 "nbformat_minor": 0
}

reverse_complement_python.ipynb

reverse_complement_R.ipynb