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changing the first number of every lineby jinism (Initiate) |
on Nov 21, 2012 at 12:55 UTC ( [id://1004912]=perlquestion: print w/replies, xml ) | Need Help?? |
jinism has asked for the wisdom of the Perl Monks concerning the following question: Dear Monks, I am relatively new to perl and would like to request for a code that would enable me to change the first number of a line of vectors for all lines in the txt file. An example of the vectors looks like this: 0 1:120.000000 2:0.000000 3:120.000000 4:262.000000 5:120.000000 6:349.000000 Every line starts with 0, and i would like to replace that 0 with 1 I have around 100 of these lines in my file and any help would be greatly appreciated!
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