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Home: Perl Programming Help: Advanced: need help for filtering data of file

mojo New User Aug 24, 2012, 12:13 AM Post #1 of 4 (8004 views) need help for filtering data of file Can't Post I am getting huge data in the form of a table from database. first column containd unique ID and third column contains some other id. this data is stored in a file now I want to arrange this data based on the first column id (unique id). Is there any in built library or module that can help Thanks in advance

BillKSmith Veteran Aug 24, 2012, 9:12 AM Post #2 of 4 (7971 views) Re: [mojo] need help for filtering data of file [In reply to] Can't Post Refer to the section on Schwartzian Transform in the FAQ perldoc -q sort Good Luck, Bill

Laurent_R Veteran / Moderator Aug 25, 2012, 2:17 AM Post #3 of 4 (7953 views) Re: [mojo] need help for filtering data of file [In reply to] Can't Post I understand that you want to sort the data according to the first column, which contains unique IDs. A simple sort (the default ASCIIbetical sort) should do it, without the need of a Schwarzian Transform.

BillKSmith Veteran Aug 25, 2012, 7:57 AM Post #4 of 4 (7942 views) Re: [Laurent_R] need help for filtering data of file [In reply to] Can't Post True, but the OP specified "huge data". Depending on how the database table is organized in perl, the transform could be much faster. Good Luck, Bill

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