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Full Discussion: rename files using loop with different name
Operating Systems Linux rename files using loop with different name Post 302432526 by zaxxon on Friday 25th of June 2010 08:01:06 AM
Old 06-25-2010
Code:
$> ll
total 12
drwxr-xr-x 3 root root 4096 25. Jun 14:00 .
drwxr-x--- 4 isau isau 4096 25. Jun 13:37 ..
-rw-r--r-- 1 root root    0 25. Jun 14:00 file1.dat
-rw-r--r-- 1 root root    0 25. Jun 14:00 file2.dat
-rw-r--r-- 1 root root    0 25. Jun 14:00 file3.dat
drwxr-xr-x 2 root root 4096 25. Jun 14:00 newdir
$> Y=`date +%Y`; D=0; for FILE in file*.dat; do D=`printf "%02d\n" $((D+1))`; mv $FILE newdir/`echo $FILE| sed 's/\./_'${Y}${D}'./'`; done
$> ll newdir
total 8
drwxr-xr-x 2 root root 4096 25. Jun 13:58 .
drwxr-xr-x 3 root root 4096 25. Jun 13:58 ..
-rw-r--r-- 1 root root    0 25. Jun 13:58 file1_201001.dat
-rw-r--r-- 1 root root    0 25. Jun 13:58 file2_201002.dat
-rw-r--r-- 1 root root    0 25. Jun 13:58 file3_201003.dat

Suitable up to file99.dat - the printf adds a missing 0 in front of a single digit. Else you might want to increase 02d to whatever number number of digits you encounter.
 

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LEARN ABOUT OSX

dsenableroot

dsenableroot(8) 					    BSD System Manager's Manual 					   dsenableroot(8)

NAME

     dsenableroot -- enables or disables the root account.

SYNOPSIS

     dsenableroot [-d] [-u username] [-p password] [-r rootPassword]

DESCRIPTION

     dsenableroot sets the password for the root account if enabling the root user account.  Otherwise, if disable [-d] is chosen, the root
     account passwords are removed and the root user is disabled.

     A list of flags and their descriptions:

     -u username
	      Username of a user that has administrative privileges on this computer.

     -p password
	      Password to use in conjunction with the specified username.  If this is not specified, you will be prompted for entry.

     -r rootPassword
	      Password to be used for the root account.  If this is not specified for enabling, you will be prompted for entry.

EXAMPLES

     -dsenableroot
	      Your username will be used and you will be queried for both your password and the new root password to be set to enable the root
	      account.

     -dsenableroot -d
	      Your username will be used and you will be queried for only your password to disable the root account.

     -dsenableroot -u username -p userpassword -r rootpassword
	      The supplied arguments will be used to enable the root account.

     -dsenableroot -d -u username -p userpassword
	      The supplied arguments will be used to disable the root account.

Mac OS								  August 08 2003							    Mac OS
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