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Top Forums Shell Programming and Scripting delete files one day old in current month only Post 42618 by Perderabo on Friday 31st of October 2003 11:37:37 AM
Old 10-31-2003
You want to stop a command from working on the first of the month. In ksh, one way is:
(($date +%d)!=1)) && command

But next we have another problem: suppose that
find $DIR -type f -mtime +1 -exec rm -f {} \;
runs on the 2nd day of the month. Those files from the last day of the last month will now be deleted. Is that acceptable? I don't know if you want to keep feb 29 files forever, or just give them a one day extention.

By switching to mtime we are looking at when the file was last modified. If you use atime, you are looking at when it was last read. Does reading a file really qualify it for an extention?

Also:
-mtime 0 means files less than 24 hours old
-mtime 1 means files more than 24 but less than 48
-mtime 2 means files more than 48 but less than 72

-mtime +1 means 48 hours or older

And it is how old from when the command was run. It is not midnight to midnight. You need to be precise.
 

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Gnome2::ThumbnailFactory(3pm)				User Contributed Perl Documentation			     Gnome2::ThumbnailFactory(3pm)

NAME
Gnome2::ThumbnailFactory - wrapper for GnomeThumbnailFactory HIERARCHY
Glib::Object +----Gnome2::ThumbnailFactory METHODS
thumbnailfactory = Gnome2::ThumbnailFactory->new ($size) o $size (Gnome2::ThumbnailSize) boolean = $factory->can_thumbnail ($uri, $mime_type, $mtime) o $uri (string) o $mime_type (string) o $mtime (a timestamp) $factory->create_failed_thumbnail ($uri, $mtime) o $uri (string) o $mtime (a timestamp) pixbuf = $factory->generate_thumbnail ($uri, $mime_type) o $uri (string) o $mime_type (string) boolean = $factory->has_valid_failed_thumbnail ($uri, $mtime) o $uri (string) o $mtime (a timestamp) string = $factory->lookup ($uri, $mtime) o $uri (string) o $mtime (a timestamp) $factory->save_thumbnail ($thumbnail, $uri, $original_mtime) o $thumbnail (Gtk2::Gdk::Pixbuf) o $uri (string) o $original_mtime (a timestamp) ENUMS AND FLAGS
enum Gnome2::ThumbnailSize o 'normal' / 'GNOME_THUMBNAIL_SIZE_NORMAL' o 'large' / 'GNOME_THUMBNAIL_SIZE_LARGE' SEE ALSO
Gnome2, Glib::Object COPYRIGHT
Copyright (C) 2003-2004 by the gtk2-perl team. This software is licensed under the LGPL. See Gnome2 for a full notice. perl v5.14.2 2011-11-16 Gnome2::ThumbnailFactory(3pm)
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