Link to home
Start Free TrialLog in
Avatar of Muhajreen
Muhajreen

asked on

File moving script

Hello experts,

I have tens of thousands of files stored in this location in a CentOs server:

/var/gsm/

All file names are like this:

123_45678_2013-11-29-15-45-30.gsm

This file name represents two numbers (123 and 45678) and a full date (2013/11/29) and a time (15:45:30)

Now I have created new directories like:

/usr/gsm/2013/01/
/usr/gsm/2013/02/
/usr/gsm/2013/03/
...etc

I need a script to move files from the old directory to their corresponding new directories depending on year and month as mentioned above. The given file example should be moved to the directory /usr/gsm/2013/11/

The script should also rename files upon moving, replacing dashes ( - ) with underscores ( _ ), so the given file example should finally be:

/usr/gsm/2013/11/123_45678_2013_11_29_15_45_30.gsm

Note that the first two sections (123) and (45678) can vary in length. They may be 3,4,5 or more digits. The only wan to recognise sections is by hyphens and underscores.

Would any body write the required script for me?

Thanks in advance.
ASKER CERTIFIED SOLUTION
Avatar of tel2
tel2
Flag of New Zealand image

Link to home
membership
This solution is only available to members.
To access this solution, you must be a member of Experts Exchange.
Start Free Trial
#!/bin/bash                                                                                                                                              
cd /var/gsm/
for f in *_*_*-*-*-*-*-*.gsm ; do
  d=${f##*_}
  d=${d/-//}
  d=${d%%-*}
  mv $f $d/${f//-/_}
done
PS: My script's line 12:
    #mv $FILE1 usr/gsm/$YYYY/$MM/$FILE2
should have been:
    #mv $FILE1 /usr/gsm/$YYYY/$MM/$FILE2
Leading slash.
Thanks for the points, Muhajreen.  How long did it run for?


Nice work, ozo.  Concise and to the point, as usual.  Much nicer than my old-school and probably inefficient attempt.

I think your line:
    mv $f $d/${f//-/_}
should have read:
    mv $f /usr/gsm/$d/${f//-/_}
Remember, the files are moving from /var/gsm to /usr/gsm/...etc...

Would that
    for f in *_*_*-*-*-*-*-*.gsm
line work with tens of thousands of files?  I would have expected it to fail like "ls *.gsm" would have, which is why I did it the way I did with find.

Yes, I made an assumption about the names of the gsm files when I simply used "*.gsm" in my find.
Avatar of Muhajreen
Muhajreen

ASKER

Thank you too tel2.

In fact I could understand your script more than zoo's one, that's why I used it. It took about 5 minutes, I have an SSD.

Please try to answer my other question here because now I want to insert DB entries for the same moved files to a MySQL database.
> Please try to answer my other question here because now I want to insert DB entries for the same moved files to a MySQL database.
Looks as if some other experts have got it under control, Muhajreen.  Let me know if not.