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  • Why quotes (") around $( ) ? Commented Aug 23, 2015 at 18:43
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    @Archemar Habit mostly. It is not necessary if date's format does not have spaces. Commented Aug 23, 2015 at 19:06
  • @kdhp, the date format in this way will be for example 15-08-24 while for right comparison it should be 2015-08-24 is there a way to change it to this format? Commented Aug 24, 2015 at 5:56
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    @Azizieh7 The year should be correct, at least according to the standard. It might be that what should be an upper-case Y is, in fact, in the lower-case. As for changing the format, you can check your system's man date, or the standard linked above. Commented Aug 24, 2015 at 7:12
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    You want an awk pattern of just $3>date (with empty=default action) no /.../ slashes Commented Aug 25, 2015 at 23:32