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Top Forums Shell Programming and Scripting How do i collect date and time for list of files in a directory Post 302119894 by jim mcnamara on Friday 1st of June 2007 12:06:03 PM
Old 06-01-2007
To get around ls -l date formatting try a perl shell function maybe like this:
Code:
#!/bin/ksh

filedate()
{
	perl -e '
	     @months = qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec);
	     $mtime = (stat $ARGV[0])[9];
	     ($sec, $min, $hr, $mday, $mon, $yr, $wday, $yday, $dntcare) =
	         localtime($mtime);
	     printf "%s %02d %d %02d:%02d:%02d\n", 
	         $months[$mon], $mday, $yr + 1900, $hr, $min, $sec;
	' "$1"
}


for file in $(ls $@ )
do
    filedate "$file"
done

 

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SYSTEMD-READAHEAD-REPLAY.SERVICE(8)			 systemd-readahead-replay.service		       SYSTEMD-READAHEAD-REPLAY.SERVICE(8)

NAME
systemd-readahead-replay.service, systemd-readahead-collect.service, systemd-readahead-done.service, systemd-readahead-done.timer, systemd- readahead - Disk read ahead logic SYNOPSIS
systemd-readahead-replay.service systemd-readahead-collect.service systemd-readahead-done.service systemd-readahead-done.timer /usr/lib/systemd/systemd-readahead/systemd-readahead [OPTIONS...] COMMAND [DIRECTORY | FILE] DESCRIPTION
systemd-readahead-collect.service is a service that collects disk usage patterns at boot time. systemd-readahead-replay.service is a service that replays this access data collected at the subsequent boot. Since disks tend to be magnitudes slower than RAM, this is intended to improve boot speeds by pre-loading early at boot all data on disk that is known to be read for the complete boot process. systemd-readahead-done.service is executed a short while after boot completed and signals systemd-readahead-collect.service to end data collection. On this signal, this service will then sort the collected disk accesses and store information about them in /.readahead. Normally, both systemd-readahead-collect.service and systemd-readahead-replay.service are activated at boot so that access patterns from the preceding boot are replayed and new data collected for the subsequent boot. However, on read-only media where the collected data cannot be stored, it might be a good idea to disable systemd-readahead-collect.service. On rotating media, when replaying disk accesses at early boot, systemd-readahead-replay.service will order read requests by their location on disk. On non-rotating media, they will be ordered by their original access timestamp. If the file system supports it, systemd-readahead-collect.service will also defragment and rearrange files on disk to optimize subsequent boot times. OPTIONS
systemd-readahead understands the following options: -h, --help Prints a short help text and exits. --max-files= Maximum number of files to read ahead. Only valid for thes collect command. --file-size-max= Maximum size of files in bytes to read ahead. Only valid for the collect and replay commands. --timeout= Maximum time in microseconds to spend collecting data. Only valid for the collect command. COMMANDS
The following commands are understood by systemd-readahead: collect [DIRECTORY] Collect read-ahead data on early boot. When terminating, it will write out a pack file to the indicated directory containing the read-ahead data. replay [DIRECTORY] Perform read-ahead on the specified directory tree. analyze [FILE] Dumps the content of the read-ahead pack file to the terminal. For each file, the output lists approximately how much will be read ahead by the replay command. SEE ALSO
systemd(1) systemd 208 SYSTEMD-READAHEAD-REPLAY.SERVICE(8)
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