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Hi BrowserUk
Thanks a lot for the help.I have two huge files and need to compare the difference between those two files by column wise and write the difference of the corresponding column and row where the mismatch is into a third file. The lines of both the files are delimited using |.Could you please suggest the better option for this. Right now, I am loading the two files data into two separate hash and compare it and write it into the third file. It would be ood if you can suggest something other than loading the file content into database and fetching it.

In reply to Re^4: Reduce CPU utilization time in reading file using perl by madtoperl
in thread Reduce CPU utilization time in reading file using perl by madtoperl

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