Hi jdporter,

I have tried the custom sort previously. But it gave the error message "Use of uninitiated value.. " for each line. So, I checked the input file for repeats in the frequency column and it is repeated. I guess, there will be a clash in the way hash stores each values. In the first column of output file, I also concatenated the tag column (first column of input file) to make it unique. Now, I am thinking of sorting with respect to the first column of output file. So far, not successful. Currently, my output file look like this: 

Header                      Tags    Frequency
>HWTI_2_78439EEEEEMMMMMG   EEEEEMMMMMG    2
>HWTI_3_338554FFEFFFDFEMM  FFEFFFDFEMM    3 
-------------------------------------------

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In reply to Re^2: Sorting issue by bluray
in thread Sorting issue by bluray

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