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Top Forums Shell Programming and Scripting Cd to Folder based on TimeStamp Post 302885179 by Don Cragun on Friday 24th of January 2014 04:14:28 AM
Old 01-24-2014
Quote:
Originally Posted by mohtashims
There is a file called check.log in each of the three folders.

Using the timestamp of each of the three folders we can determine & fire a grep command only on that folder's check.log [archive_52/check.log]. because the time stamp of folders archive_51, archive_53 are pre and post the time of the M1120252_P004640.csv file i.e. Jan 20 17:11

So please help me cd to the folder [ archive_52 ] automatically based on the timestamp of the given .csv file.

I need your help automate this.
Given the ls output you posted earlier:
Code:
ls -ltr
total 53616
drwxrwx---   2  user1   admins   20840448 Jan 19 02:10 archive_51
drwxrwx---   2  user1   admins   6553600 Jan 22 02:23 archive_52
drwxrwx---   2  user1   admins   8853600 Jan 24 02:23 archive_53

we have absolutely no reason to believe that archive_52 is the correct directory. If you're basing your decision of which directory to choose based on the timestamps of three directories that might contain the file, all we know is that two of these directories have had files added to or removed from them after M1120252_P004640.csv was last modified at 17:11 on January 20. We don't know that M1120252_P004640.csv wasn't created on January 19 in archive_51 and modified on the 20th. We know that some file was added to or deleted from archive_52 and archive_53 after M1120252_P004640.csv was last updated, but that gives us no indication that M1120252_P004640.csv exists in either of these directories.

Furthermore, if you're saying that M1120252_P004640.csv doesn't exist in any of these directories, but only that check.log was updated (not created) when M1120252_P004640.csv was created, you have absolutely no indication from the timestamp on the directory, which check.log will contain an entry indicating when M1120252_P004640.csv was created (or last updated) based on the timestamp of the directory containing the log file. The timestamp of a directory says nothing about when a file (check.log) was last updated. If you add an entry to the end of check.log in any of these three directories, the time stamp on the containing directory will not change.
 

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OWX(1)							      General Commands Manual							    OWX(1)

NAME
owx - utility to program Wouxun dual-band handheld radios SYNOPSIS
owx-check [ -v | -h ] [ -f ] [ -p <port> ] [ -t <timeout> ] owx-get [ -v | -h ] [ -f ] [ -p <port> ] [ -t <timeout> ] -o <path> owx-put [ -v | -h ] [ -f ] [ -p <port> ] [ -t <timeout> ] -i <path> -r <path> owx-export [ -v | -h ] -i <bin path> -o <csv path> owx-import [ -v | -h ] -i <csv path> -o <bin path> DESCRIPTION
This manual page documents briefly the owx commands. owx is a set of commands that will allow you to fetch and update configuration on your Wouxun handheld radio. It is made of multiple com- mands. COMMON OPTIONS
These options are common to all commands. -h Show summary of options. -v Show version of program. -c <command> Invoke owx-<command>. Makes sense only if called directly as owx. OPTIONS FOR check, get AND put -f Force operation even if your radio identifies different from a KG669V. Use this option with extreme caution - it is very possible that your radio will be rendered unusable after you use this. It was NEVER tested with any radio different from mentoined above. -p <port> Use port <port>, defaults to /dev/ttyUSB0. Of course you must have appropriate read and write permissions for this device. -t <timeout> Specify the receive timeout for communication with radio. If you disable it (by setting to 0) and the communication fails, the pro- gram will hang forever. You probably don't need to change the default value (5 seconds). USAGE
owx-check This program just checks for the connection and identification string. It can be used to check that your cable and port works. owx-get This program downloads memory map from radio to binary file. Options: -o <path>: binary file to write to owx-put This program uploads memory map from binary file to radio. Options: -i <path>: binary file to read from -r <path>: reference file Option -r is not mandatory, but recommended. You can specify original, unchanged file (exactly as downloaded using owx-get) and this will speed up memory uploading, as owx will compare input file to this reference file and upload only changed memory pages. When using this option, be sure that nothing has changed in the radio (even the currently selected memory channel) between downloading reference file and using it for upload. This is important as some variables that cross the page boundaries (if there are any in the memory map) could be corrupted by this. Example: owx-get -o file.bin cp file.bin backup.bin owx-export -i file.bin -o wouxun.csv oocalc wouxun.csv owx-import -i wouxun.csv -o file.bin owx-put -i file.bin -r backup.bin Please do yourself a favour and double-check that you upload the correct file. If you try to upload incorrect or corrupted file, your radio will power down and fail to power up. owx will refuse to upload any file with incorrect size, but this is the only safety check. owx-export This program exports channel data from binary file to CSV file. This file can be later edited using your favourite spreadsheet edi- tor or even text editor. Options: -i <path>: binary file to read from -o <path>: csv file to write to owx-import This program reads the specified, possibly edited by you CSV file, and patches existing binary file with this updated data. The file is now prepared to be uploaded with owx-put. Options: -i <path>: csv file to read from -o <path>: binary file to write to (must already exist) SEE ALSO
chirp(1), the README file. AUTHOR
owx was written by SP5GOF (Adam Wysocki). This manual page was written by Antoine Beaupre <anarcat@debian.org>, for the Debian project (and may be used by others). October 26, 2011 OWX(1)
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