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Oct 29, 2015 at 17:00 vote accept Miguel Angel
Oct 28, 2015 at 23:51 comment added John1024 @MiguelAngel $2+0 forces awk to treat $2 as a number, not a string. The ++ part of this command is separate and unrelated.
Oct 28, 2015 at 23:48 comment added Miguel Angel [$2+0]++ is for convert string to number ??? @John1024
Oct 28, 2015 at 23:46 history edited John1024 CC BY-SA 3.0
added 9 characters in body
Oct 28, 2015 at 23:07 history answered John1024 CC BY-SA 3.0