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Full Discussion: bash script to rename multiple directories
Top Forums Shell Programming and Scripting bash script to rename multiple directories Post 302373656 by TonyLawrence on Saturday 21st of November 2009 09:21:37 AM
Old 11-21-2009
I'm assuming you have something like this:

Code:
2009  # year dir
    # month dir
  -  1
  -  2
        # days
      - 01  # already partly correct
      - 02
      - 3
      - 2009_02_04  #fully correct
      ...
  -  3
  - 2009_04
   -05

If you can assume that anything with a "_" is already fully correct, you don't have to test for length.

I'd do this in Perl. Something like

Code:
#!/usr/bin/perl
foreach(<200*>) {
  $year=$_;
  opendir(YEAR,$year);
  while(defined($month=readdir(YEAR))) {
     next if $month =~ /^\./;
     next if $month =~ /_/;
     opendir(MONTH, "$year/$month") ;
     while(defined($day=readdir(MONTH))) {
        next if $day =~ /^\./;
        next if $day =~ /_/;
        $newname=sprintf("%d_%0.2d_%0.2d",$year,$month,$day);
        print " --  $year $month $day is $year/$month/$newname\n"; 
        # rename "$year/$month/$day", "$year/$month/$newname";
     }
     
     $newname=sprintf("%d_%0.2d",$year,$month);
     print "$year $month is $year/$newname\n"; 
     # rename "$year/$month", "$year/$newname";
    
  }
}

I wrote this to be obvious rather than clever. If I've misunderstood your directory structure, of course this won't be right, but you can modify it.

When you are satisfied this will do what you want, uncomment the rename lines.
 

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LEARN ABOUT OPENSOLARIS

cal

cal(1)								   User Commands							    cal(1)

NAME

       cal - display a calendar

SYNOPSIS

       cal [ [month] year]

DESCRIPTION

       The  cal  utility writes a Gregorian calendar to standard output. If the year operand is specified, a calendar for that year is written. If
       no operands are specified, a calendar for the current month is written.

OPERANDS

       The following operands are supported:

       month	Specify the month to be displayed, represented as a decimal integer from 1 (January) to 12 (December). The default is the  current
		month.

       year	Specify  the year for which the calendar is displayed, represented as a decimal integer from 1 to 9999. The default is the current
		year.

ENVIRONMENT VARIABLES

       See  environ(5) for descriptions of the following environment variables that affect the execution of cal: LANG, LC_ALL, LC_CTYPE,  LC_TIME,
       LC_MESSAGES, and NLSPATH.

       TZ    Determine the timezone used to calculate the value of the current month.

EXIT STATUS

       The following exit values are returned:

       0     Successful completion.

       >0    An error occurred.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWesu			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       calendar(1), attributes(5), environ(5), standards(5)

NOTES

       An  unusual calendar is printed for September 1752. That is the month 11 days were skipped to make up for lack of leap year adjustments. To
       see this calendar, type:

	 cal 9 1752

       The command cal 83 refers to the year 83, not 1983.

       The year is always considered to start in January.

SunOS 5.11							    1 Feb 1995								    cal(1)
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