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Hi All,

I am trying to merge all files in a directory that end in *.txt to a single file with the contents one after the other. This I can do using the cat function but how do I put the name of...

I have a master sequence say

>Seq
ATGCGTA.......

That I want to repeat N no of times and each time the sequence is the same but the header changes in incremental numerical order

E.g.
>Seq1...

awk 'NR==FNR{a[$0]=1}NR>FNR&&a[$1]' file1 file2
does not work

I would prefer not to sort them because I want to keep them in the order in which they are because it corresponds to a large excel file and join does not work for me

Hi all,

I would like to compare a column in one file to a column in another file and when there is a match it prints the first column and the corresponding second column. Example

File1
ABA...

Hi all,

I would like to compare a column in one file to a column in another file and when there is a match it prints the first column and the corresponding second column. Example

File1
ABA...