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xmy0523

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Çë½Ì¸÷λ´óÏÀ£¬ÏÂÃæµÄµÚ2ÌâÔõô×ö°¡£¿ÊÇBioinformatics, biocomputing and PerlÄDZ¾ÊéÉϵ쬵Ú4ÕµÄÌâÄ¿¡£ лл£¡
1. Define a hash called %genomespeak, which associates the following abbreviations
with the phrase in parentheses: AA (amino acid), BAC (bacterial artificial
chromosome), BLAST (basic local alignment search tool), cDNA (complementary
DNA), DNA (deoxyribonucleic acid), EST (expressed sequence tag),
Exercises 69
FISH (fluorescence in situ hybridization), mRNA (messenger RNA), rDNA
(recombinant DNA), RNA (ribonucleic acid), STS (sequence tagged site), SNP
(single nucleotide polymorphism) and YAC (yeast artificial chromosome)7.
2. Create a small file, called abbrevs, with the following contents:
DNA
SNP
rDNA
AA
BLAST
RNA
YAC
mRNA
Write a program to process abbrevs and display the correct phrase from
the %genomespeak hash for each abbreviation.
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holmescn

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ÓàÔó³É(½ð±Ò+3):лл²ÎÓëÓ¦Öú£¡ 2011-01-05 20:36:14
Õâ¸öºÜeasyµÄÌâÄ¿°¢£¬Äãµ½µ×ÓÐûÓÐÈÏÕæ¿´Êé°¢¡£
CODE:
#!/usr/bin/perl -w

use strict;

my %genomespeak = ("AA" => "amino acid", "BAC" => "bacterial artificial chromosome",
    "BLAST" => "basic local alignment search tool", "cDNA" => "complementary DNA",
    "DNA" => "deoxyribonucleic acid", "EST" => "expressed sequence tag",
    "FISH" => "fluorescence in situ hybridization", "mRNA" => "messenger RNA",-
    "rDNA" => "recombinant DNA", "RNA" => "ribonucleic acid",-
    "STS" => "sequence tagged site", "SNP" => "single nucleotide polymorphism",
    "YAC" => "yeast artificial chromosome");

open(IN, "< abbrevs") or die("$!");

while(){
    chop;
    print($genomespeak{$_}, "\n");
}
close(IN);

2Â¥2011-01-05 09:41:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xmy0523

гæ (СÓÐÃûÆø)

ÒýÓûØÌû:
Originally posted by holmescn at 2011-01-04 18:41:07:
Õâ¸öºÜeasyµÄÌâÄ¿°¢£¬Äãµ½µ×ÓÐûÓÐÈÏÕæ¿´Êé°¢¡£
[code]
#!/usr/bin/perl -w

use strict;

my %genomespeak = ("AA" => "amino acid", "BAC" => "bacterial arti ...

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