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Top Forums Shell Programming and Scripting Date within a timeframe 2 days ago Post 302421086 by methyl on Thursday 13th of May 2010 11:12:25 AM
Old 05-13-2010
Quote:
let foo=`date "+(1%H-106)*60+1%M-100"` bar=foo+1440
find . -mmin +$foo -mmin -$bar | tr -s '/','-' '^' | cut -f2,3 -d"^" | tr -s '^' ' ' |
Further to your previous posts it is slowly becoming clearer what you are trying to do. I don't think that the "let" line produces the values you expect.

The "find" syntax is definitely wrong.
The "tr" syntax is definitely wrong.
Please provide some sample filenames (or are they directory names?) showing what the filenames (or directory names?) will look like before and after processing.

I think that you mean that the day starts at 06:00:00 and ends at 05:59:59 the following calendar day.
Please give examples of what values you expect in $foo and $bar at say 05:58 and 06:02 on particular calendar days so as to clearly define "today" "yesterday" and "2 days ago".


An obvious idea would be to run the script from cron at 06:00 daily.

Another idea (having just read recent post). If your "find" has -mmin it must have -daystart. The whole process can be done in a single "find" with suitable constants for $foo and $bar regardless of what time it is. The only decision based on the time of day would be which pair of constants to use.

Last edited by methyl; 05-13-2010 at 12:21 PM..
 

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FINDRULE(1)						User Contributed Perl Documentation					       FINDRULE(1)

NAME
findrule - command line wrapper to File::Find::Rule USAGE
findrule [path...] [expression] DESCRIPTION
"findrule" mostly borrows the interface from GNU find(1) to provide a command-line interface onto the File::Find::Rule heirarchy of modules. The syntax for expressions is the rule name, preceded by a dash, followed by an optional argument. If the argument is an opening parenthesis it is taken as a list of arguments, terminated by a closing parenthesis. Some examples: find -file -name ( foo bar ) files named "foo" or "bar", below the current directory. find -file -name foo -bar files named "foo", that have pubs (for this is what our ficticious "bar" clause specifies), below the current directory. find -file -name ( -bar ) files named "-bar", below the current directory. In this case if we'd have omitted the parenthesis it would have parsed as a call to name with no arguments, followed by a call to -bar. Supported switches I'm very slack. Please consult the File::Find::Rule manpage for now, and prepend - to the commands that you want. Extra bonus switches findrule automatically loads all of your installed File::Find::Rule::* extension modules, so check the documentation to see what those would be. AUTHOR
Richard Clamp <richardc@unixbeard.net> from a suggestion by Tatsuhiko Miyagawa COPYRIGHT
Copyright (C) 2002 Richard Clamp. All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. SEE ALSO
File::Find::Rule perl v5.16.3 2011-09-19 FINDRULE(1)
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