Yeah, its called paste/csvpaste.pl or a pivot table 

$ paste file1 file2 file2
File1   File2   File2
13      22      22
34      15      15
32      27      27
20      33      33
43      48      48
        65      65
        34      34

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In reply to Re: create array of arrays from multiple files ( paste, csvpaste, pivot table) by Anonymous Monk
in thread create array of arrays from multiple files by Anonymous Monk

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