On my Ubuntu I have thousands of files in a couple hundred directories. I'm trying to convert the pdf's to jpg's.
I used this command in terminal:
for fname in *.pdf; do convert $fname ${fname%.pdf}.jpg; done
It works great but the problem is I have to run this in terminal for each folder/directory so it's time consuming.
Is it possible to covert all the pdf's in the sub directories from the root directory at once in terminal?
Thanks for your help
Hi,
use find - you can traverse your directories with it, and even start your conversion per each file found. There are more efficient methods, but this depends on the amount of the files you have. Have a look at the manual page of find(1), but one way to accomplish your target would be something like:
The {} marks the filename found, and because of the shell the braces have to be escaped, as well as the command-ending semicolon.
There are also other, more CPU-friendly methods, but this may serve as a one-time solution.
BR,
pen
EDIT: Umm, I just noticed you want the change the filename extention for good - my solution leaves file names as foo.jpg.pdf... With find, this would work:
Last edited by pen; 01-13-2013 at 10:30 AM..
Reason: See section EDIT...
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---------- Post updated at 04:49 PM ---------- Previous update was at 04:44 PM ----------
This file is not password protected. (4 Replies)
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Discussion started by: Uttam Maji
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LEARN ABOUT DEBIAN
mrename
MRENAME(1) General Commands Manual MRENAME(1)NAME
mrename - program to rename files
SYNOPSIS
mrename 'pattern' prefix [option]
DESCRIPTION
This manual page documents briefly the mrename command. This manual page was written for the Debian GNU/Linux distribution because the
original program does not have a manual page.
mrename is a tool for easy and automatic renaming of many files. The 'pattern' is the pattern to search files to rename (quoted to avoid
that bash resolve it), and prefix is the prefix that will be added to the name of each file. The two alternative options for copying or
moving files in the new name are explained below. All parameters are needed, and you have to stay and launch the script in the same direc-
tory of the files to be renamed. The program should be able to write in this directory.
OPTIONS
There are only the following three options.
-c The option -c will copy each file with the new filename.
-m The option -m will move each file in the new filename.
-h Display help.
EXAMPLE
If you have a directory with two jpeg images prof.jpg and forp.jpg and you want to add them a prefix like item0, item1 etc.. (that is
item0prof.jpg, item1forp.jpg etc..) do this:
cd /path/to/the/images
mrename '*.jpg' item -c
to copy each matching file into another with the new name
mrename '*.jpg' item -m
to rename each file without keeping a copy with the previous name
Word-Wide-Web:
http://alfalinux.sourceforge.net/mrename.php3
AUTHOR :
Giancarlo -rofus- Erra
e-mail: rofus@mindless.com
This manual page was written by Dr. Guenter Bechly <gbechly@debian.org>, for the Debian GNU/Linux system (but may be used by others). It is
distributed under the GPL just like mrename itself.
October 22, 2000 MRENAME(1)