On Thu, 16 Apr 2009, Carl Makin wrote:
Something like;
#!/bin/sh
RIGHTNOW=`date +%Y%M%d%H%M`
if [ -f 'snapshot.jpg' ]; then
mv snapshot.jpg archive/snapshot-$RIGHTNOW.jpg
fi
Ready for my version? It's a bit bigger but there's really not a
lot of code:
---------------------------------------------------------------------
#!/usr/bin/perl
#
# Copies/renames ~/.xastir/tmp/snapshot.png files so that a
# slideshow can be created from the images at a later date. The
# script monitors the directory. Any new snapshot.png file that
# appears is allowed to age for a few seconds to make sure that
# Xastir is done writing the file, then the file is copied to the
# ~/.xastir/tmp/slideshow/ directory as a numbered file.
#
$input_dir = "/home/archer/.xastir/tmp";
$output_dir = "$input_dir/slideshow";
mkdir "$output_dir";
chdir ($input_dir);
while (1) {
$current_time = time;
# Snag the age of the existing snapshot.png file
$number = (stat("snapshot.png"))[9];
$difference = $current_time - $number;
# If the age of the file is more than 15 seconds but less than 30
# minutes, copy the file to the slideshow directory and rename it
# along the way.
#
if ( ($difference > 15) && ($difference < (30 * 60)) ) {
# Copy the snapshot image to the slideshow directory, renaming
# it with the Unix Epoch time.
`cp snapshot.png $output_dir/$number.png`;
}
sleep 30;
}
---------------------------------------------------------------------
--
Curt, WE7U. archer at eskimo dot com
http://www.eskimo.com/~archer
Lotto: A tax on people who are bad at math. - unknown
Windows: Microsoft's tax on computer illiterates. - WE7U.
The world DOES revolve around me: I picked the coordinate system!"
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