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Top Forums UNIX for Dummies Questions & Answers Simple script for separating files Post 302233891 by avronius on Monday 8th of September 2008 05:50:11 PM
Old 09-08-2008
Hi Megan,

First off, sorry for the assumption - I'm still new here, and trying hard not to break any rules myself!

Here is some code that I've thrown together that should resolve your issue (no guarantees!)

NOTE: I did not include directory creation to this script. You can do it, but I didn't think to include it before firing it up here.

Code:
#!/usr/bin/csh

# Here are the variables that you will need to change:
################################################################################
set number_of_files = 23           # This is the number of files that you expect
                                   # to store in each directory
set source_dir = /tmp/testing      # You'll change this to your source directory
set target_dir = /tmp/folder_      # This is the prefix that you'll use for your
                                   # folder tree. You'll likely wish to change it

# Here are the 'static' variables that you will not change:
################################################################################
#this number will increment the count cap
set count = 0
#iteration counters
set folder_counter = 1  # Starts at one, such that multiplication issues don't arise
set counter = 0


# Get your list of files - I'm taking it from an ls -tr
# This provides an historic list, with the oldest files first

foreach file ( `ls -tr $source_dir` )
   @ counter = $counter + 1
   @ count = $number_of_files * $folder_counter   #First time 'round, this is 3, then 6

   # First, check to see if you should move on to the next folder or not...
   #  - adding a 'move' request to ensure that the file is not skipped
   if ($counter > $count) then
      @ folder_counter++
      mv $source_dir/$file $target_dir$folder_counter
   endif


   # Since you didn't need to increment the folder_counter - move the file as if nothing happened...
   if ($counter <= ($count)) then
      mv $source_dir/$file $target_dir$folder_counter
   endif

end

Please let me know if it works. I'm sure that there are other MUCH MORE elegant solutions Smilie


edit:changed a comment (wrong comment included in paste)
 

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REFCOUNT(9)						   BSD Kernel Developer's Manual					       REFCOUNT(9)

NAME
refcount, refcount_init, refcount_acquire, refcount_release -- manage a simple reference counter SYNOPSIS
#include <sys/param.h> #include <sys/refcount.h> void refcount_init(volatile u_int *count, u_int value); void refcount_acquire(volatile u_int *count); int refcount_release(volatile u_int *count); DESCRIPTION
The refcount functions provide an API to manage a simple reference counter. The caller provides the storage for the counter in an unsigned integer. A pointer to this integer is passed via count. Usually the counter is used to manage the lifetime of an object and is stored as a member of the object. The refcount_init() function is used to set the initial value of the counter to value. It is normally used when creating a reference-counted object. The refcount_acquire() function is used to acquire a new reference. The caller is responsible for ensuring that it holds a valid reference while obtaining a new reference. For example, if an object is stored on a list and the list holds a reference on the object, then holding a lock that protects the list provides sufficient protection for acquiring a new reference. The refcount_release() function is used to release an existing reference. The function returns a non-zero value if the reference being released was the last reference; otherwise, it returns zero. Note that these routines do not provide any inter-CPU synchronization, data protection, or memory ordering guarantees except for managing the counter. The caller is responsible for any additional synchronization needed by consumers of any containing objects. In addition, the call- er is also responsible for managing the life cycle of any containing objects including explicitly releasing any resources when the last ref- erence is released. RETURN VALUES
The refcount_release function returns non-zero when releasing the last reference and zero when releasing any other reference. HISTORY
These functions were introduced in FreeBSD 6.0. BSD
January 20, 2009 BSD
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