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cybergypsy is offline cybergypsy
2008-02-26 , 12:38
Posts: 35 | Thanked: 18 times | Joined on Feb 2007 @ France
#1
Hi Folks

I am using the Nokia Camera application to take snaps and upload them to twitxr.com but the filenames are strangely formatted which makes finding and storing them differcult.

A file named 43_03_18-250208.jpg was taken on 25th February 2008 at 18:03:43.

I would like some help in writing a bash script to rename the same file to 20080225_180343.jpg so that the listing would be sorted automatically.

Any shell gurus in here wanna help ?

Thanks
Last edited by cybergypsy; 2008-02-26 at 14:50. Reason: Solution found , thanks
 
jethro.itt
2008-02-26 , 14:24
Guest | Posts: n/a | Thanked: 0 times | Joined on
#2
Originally Posted by cybergypsy View Post
A file named 43_03_18-250208.jpg was taken on 25th February 2008 at 18:03:43.

I would like some help in writing a bash script to rename the same file to 20080225_180343.jpg so that the listing would be sorted automatically.
Sed is built in, at least on my N810:

Code:
#!/bin/sh
# camrename.sh - Renames Nokia Camera application pictures
# v0.01 2008-02-26 by Jussi Ylänen

while test -n "$1"; do
  OLDNAME="$1"
  NEWNAME="`echo $OLDNAME | sed -re 's/([0-9]{2})_([0-9]{2})_([0-9]{2})-([0-9]{2})([0-9]{2})([0-9]{2})/20\6\5\4_\3\2\1/'`"

  if test "$OLDNAME" != "$NEWNAME"; then
    # Remove "echo" below to really rename...
    echo mv "$OLDNAME" "$NEWNAME"
  fi

  shift
done
In the sed expression above, each ([0-9]{2}) matces two digits and remembers them, later to be referenced with \n (where n is a digit). Year is assumed to be 2000 or greater.

Copy-paste the script, save it in /home/user as camrename.sh and do:

Code:
~ $ chmod +x camrename.sh
Usage:

Code:
~ $ camrename.sh /media/mmc1/camera/images/*
When you've tried the script and seen that it appears to handle the names correctly, edit the script and remove the extra echo to really enable file renaming. No warranty!
 

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cybergypsy is offline cybergypsy
2008-02-26 , 14:49
Posts: 35 | Thanked: 18 times | Joined on Feb 2007 @ France
#3
Excellent , Thanks so much , I was only expecting a few helpful hints!

I've tested it and it works perfectly , you have made my day.
 
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