Removing lines in one file that are present in another file
问题 I have 2 .vcf files with genomic data and I want to remove lines in the 1st file that are also present in the second file. The code I have so far it seems to iterate only one time, removing the first hit and then stops the search. Any help would be very appreciated since I can not figure out where the problem is. Sorry for any mis-code... I opted for arrays of arrays instead of hashes because the initial order of the file must be maintained, and I think that this is better achieved with