Separate lines based on some character?
1
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5.7 years ago
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I have a fasta file like below, I like to seprate only coordinate and add one column with "hello" name.

>Human|chr16:80372593-80373755 | element 4 | positive  | neural tube[6/10] | hindbrain (rhombencephalon)[10/10] | midbrain (mesencephalon)[10/10]
gtgaCAGAGACAGACAGTGACAGAGACAgattttagaatttgaacaaaggtaaataagag

>Human|chr16:78510608-78511944 | element 12 | positive  | hindbrain (rhombencephalon)[9/11] | forebrain[9/11]
AAGCTAGCTAATTGCTTCTTCAGTTGaagacctaaatgagttttaaagtgaaatgcatat

Expect file:

chr16:80372593-80373755         hello
chr16:78510608-78511944         hello
R linux fasta • 1.4k views
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0
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what do you consider 'name' (== which of the fields in your fasta header?)

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0
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I like to add my favorite name.

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0
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Will change for each entry or stay the same?

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0
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it is the same name.

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4
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5.7 years ago
awk -F '|' '/^>/ { print $2 "\thello"}' jeter.fa
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2
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If you get annoyed by the extra space after chr16:80372593-80373755 :

awk -F '|' '/^>/ { print substr($2, 1, length($2)-1) "\thello"}' jeter.fa
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0
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I would just use -F '[| ]' ...

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Yes it is quicker, but if they got a space in the id name the command fails

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