Re: How to replace string in file2 that matches first column of file1 with second column of file1

in reply to How to replace string in file2 that matches first column of file1 with second column of file1

As a general outline:

Read file 1 line by line and chomp;
Split on comma my ($last, $first) = split /,/;
and store in hash: $name{$last} = $first;
Read file 2 line by line
Match against /uid=(?:.*),/, non-greedily
Replace $1 with $name{$1} if it exists.

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