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landspace

新虫 (初入文坛)

[交流] 关于shell命令 删除文件中的字符

有如下文件:
>gi|154076413|ref|NW_001820123.1|NviUn_WGA5999_1 SCAFFOLD6002
TACACCATTATCTTCCATAGTTTTAAATATAGACATGTAATACTCAGCAAAATGGTTCCGCAGTTGCCTC
……
>gi|154074987|ref|NW_001819806.1|NviUn_WGA5712_1 SCAFFOLD5715
TAATTGAGAACGGGCGCAGTAGTTTTCCCGTAACCTTTATTGCAGTGGCTCGGCTACTTTCGTAGGTTTG
……

>gi|154073984|ref|NW_001819548.1|NviUn_WGA5480_1 SCAFFOLD5483
CATATAATCTCGAACAACAAAATATTTTAAAAGAAATGGATCCTGAAAATAATATTGATAAAATCAGAAT
GCAAGATGAAGCAAATCAAGAGATTTTTGAAGAGTGTAGGACTAGCAAAATCAGTAACATAGAGGATGAG
TTAAAGCAAAATGAACAATGGCATGAAAAACAGAATACTGAGATAAATGAGGCGGAACCATTACTAGAAA

>gi|154073093|ref|NW_001819288.1|NviUn_WGA5246_1 SCAFFOLD5249
CCAGTGATCACCAGTACATCATCTTTAACCTGACCAGTGACGCTGCGTTGAGGCAAAGACAGAGTATGCG
GACAACACGATGGGACATCGGACGCATAAACAGGGACGAAATCAAGAGGCAACTGCAGAACGTAGCAATC
CCTTCTGCTGATCTGTCTCAAGAACGGACGGACCGAATCGCGGCTAATGAACAGAGTGCTAATGACCTGG

>gi|154072160|ref|NW_001819022.1|NviUn_WGA5006_1 SCAFFOLD5009
TTGATATTAACAGTAGCTGATTAGATCAATAAATAGGATTTAGATAGATAGATAGTGTAAAATACCCCGA
ATTTTCAACAATAACTTATATCAACATTTACTTAACTGAATTGATACTCTCCCGATTAATATTTTGTCAC
TAAAACTCCGACTAAGACTCACTCCGGTGTCGACACCGACAAAGGGCGATACCGCGCGACTTTATGATTA

>gi|154071032|ref|NW_001818755.1|NviUn_WGA4767_1 SCAFFOLD4768
GAAAAATGAGCAGCAGCAGTGGCTATGGAAGTAACAGCAATGCTAGCGGGGACAGCGGCGGCTCATCCAA
CGGGGAGTATATTTTTATACTTCCAAGAGTTCGAGCACCTGCAGAATGGATTAGCCCTACTCCTGCTGAA

TTTTAATCGTTTAAAATCTTTTATA
>gi|154069817|ref|NW_001818428.1|NviUn_WGA4472_1 SCAFFOLD4473
CGTGCATGAAAAAGTCCCGTTTTCATGCATCTAAAGTGAATGGCAAGCTGTTAATTTCGAGCCATTCCCT
CCCGCTCCTCAAAAACACTCGAACTGAATCAATTTTTTTTTTAATTTTGAAAAATTTTGAAAATTTTTTA
AAGAGAGTGGCTTATGACTCAAAATGCGCAATTTACTATTCACTCTATATGTATAAAAATGGGTCTTTAC

>gi|154069015|ref|NW_001818171.1|NviUn_WGA4240_1 SCAFFOLD4241
AACACTTCATCCACCCTCACTTTCAGAAAACTTGCTAAGGATCACTTTTTTCAACTCGAAAACACAGAAC
TCGTACACACTCCACGTACACGCACACACCTACTTTCTCGCTCATTCCATTTTCACTATCGCCACACTTT
AATACTATACATACTCTAAACATGCCTCAATCTATTGTTTTTTCTTTTCTCACTTGTAATGCTGTAAACT
我想删除>之后,scaffold之前的文字,应该如何做?
谢谢大家了!!
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landspace

新虫 (初入文坛)

我用的
sed 's/^>gi SCAFFOLD[0.9][0-9][0.9][0-9]$// filename

sde 's/^>gi*SCAFFOL$// filename
不行。。
2楼2013-01-16 10:34:40
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landspace

新虫 (初入文坛)

已经解决了
3楼2013-01-18 08:45:11
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