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Help with rar

 
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# 1  
Old 08-30-2010
Help with rar
Hi UNIX experts,

I am stuck on a task due to ignorance with bash and all those commands.
I have thousand of split archive files on a folder called downloads

Each file is named as below:

0001.part1.rar
0001.part2.rar
0001.part3.rar
0002.part1.rar
0002.part2.rar
0003.par1.rar
0003.part2.rar
0003.part3.rar

I would like to extract them and get the main file which is a .DAT file
Problem is once I extract 0001.part1.rar through part3 another archive comes out with files name:

name.001
name.002
name.003
etc.

This is what I want to do:

1. Read the files on downloads folder
2. Group the files with the same prefix (put them on a folder base on the prefix)
Example:

0001.part1.rar
0001.part2.rar
0001.part3.rar

should go to folder 0001

3. Go to folder 0001 and extract the files.
4. Do another extraction because after the first extraction files becomes file.001 etc. which is another rar archive.
5. Rename the .DAT folder base on the list of names from a text file.
6. move the .DAT file to a new directory outside of folder 0001
7. Delete folder 0001
8. Go to the next set of files.
e.g.
0002.part1.rar
0002.part2.rar
0002.part3.rar
9. Repeat steps 2-8 until all files are extracted.

Thanks,
# 2  
Old 08-31-2010
Not tested.

Code:
find . -name "*.rar" |while read LINE
do
  folder=${LINE%%.*}
  mkdir -p $folder
  mv  $LINE $folder
done

PWD=$(pwd)

ls -l |grep ^d |awk '{print $NF} |while read LINE
do
  cd $LINE
# Put  rar extract command here.
  mv *.DAT $PWD
  rm -rf $LINE
  cd $PWD
done

This User Gave Thanks to rdcwayx For This Post:
farneville
# 3  
Old 08-31-2010
Quote:
Originally Posted by rdcwayx
Not tested.

Code:
find . -name "*.rar" |while read LINE
do
  folder=${LINE%%.*}
  mkdir -p $folder
  mv  $LINE $folder
done

PWD=$(pwd)

ls -l |grep ^d |awk '{print $NF} |while read LINE
do
  cd $LINE
# Put  rar extract command here.
  mv *.DAT $PWD
  rm -rf $LINE
  cd $PWD
done


Dude Thanks for your time looking into this

I tried the first part of the script and got some issues:

Code:
#!/bin/bash

find . -name "*.rar" |while read LINE
do
  folder=${LINE%%.*}
  mkdir -p $folder
  mv $LINE $folder
done

Result:

Code:
mkdir: missing operand
mv: missing destination file operand after `./0806.part1.rar'
Try `mv --help' for more information.
mkdir: missing operand
Try `mkdir --help' for more information.
mv: missing destination file operand after `./0806.part8.rar'
Try `mv --help' for more information.
mkdir: missing operand
Try `mkdir --help' for more information.
mv: missing destination file operand after `./0806.part2.rar'
Try `mv --help' for more information.
mkdir: missing operand
Try `mkdir --help' for more information.
mv: missing destination file operand after `./0806.part6.rar'
Try `mv --help' for more information.
mkdir: missing operand
Try `mkdir --help' for more information.
mv: missing destination file operand after `./0806.part7.rar'
Try `mv --help' for more information.

It does create the folder but I am not just sure why it cannot find it.
Last edited by farneville; 08-31-2010 at 04:15 AM..
# 4  
Old 08-31-2010
Code:
#!/usr/bin/bash

DIR=/xxx/xxx
cd $DIR

ls *.rar |while read LINE
do
  folder=${LINE%.par*.rar}
  mkdir -p $folder
  mv $LINE $folder
done

sleep 60

ls -l |awk '/^d/ {print $NF}' |while read LINE
do
  cd $LINE
# Put  rar extract command here.
  mv *.DAT $DIR
  cd $DIR
  rm -rf $LINE
done

Last edited by rdcwayx; 09-03-2010 at 12:45 AM..
# 5  
Old 09-02-2010
Thanks upper part of code works..
Second part not working though..

can you explain what the code does?

ls -l |awk '/^d/ {print $NF}' |while read LINE
# 6  
Old 09-02-2010
Quote:
Originally Posted by farneville
Second part not working though..
Try nawk instead of awk if you're not on a linux system. Beyond that, my crystal ball's still down for maintenance -- what error messages is it printing?

Quote:
can you explain what the code does?

ls -l |awk '/^d/ {print $NF}' |while read LINE
feeds the output of ls -l through awk, which (I think) filters out anything but directories, and then feeds it into the while loop which reads them one at a time into LINE.
 
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