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Full Discussion: Delete files older than "x" if directory size is greater than "y"
Top Forums Shell Programming and Scripting Delete files older than "x" if directory size is greater than "y" Post 302394120 by JamesCarter on Thursday 11th of February 2010 07:41:44 AM
Old 02-11-2010
"du -sh $1" gives the size of the directory. My idea was to = this size with an argument.

@Krabu

Crontab was the next step.
@Vbe
sry that there were no comments in the scrypt just getting started, i will try to comment more.

and yes I need third Argument $3 you right.

---------- Post updated 02-11-10 at 07:41 AM ---------- Previous update was 02-10-10 at 01:07 PM ----------

Code:
#!/bin/bash

# shows size of the directory $1 in kb (-ks), can be cahnged into -mb for #example for Megabytes

size=$(du -ks $1 | awk '{print $1}')

#Compares the Size with your max input size $2

if [ $size -gt $2 ];
then

#if greater deletes all files older than $3 days in directory $1 and it´s #subdirectories

find $1 -mtime +$3 -exec rm -f {} \;
echo "Files older than $3 days deleted"
else
echo "free Space available"
fi


works now for me. thanks
 

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LEARN ABOUT OPENDARWIN

size

SIZE(1) 						      General Commands Manual							   SIZE(1)

NAME

       size - print the size of the sections in an object file

SYNOPSIS

       size [ option ... ] [ object ... ]

DESCRIPTION

       Size  (without  the -m option) prints the (decimal) number of bytes required by the __TEXT, __DATA and __OBJC segments.	All other segments
       are totaled and that size is listed in the `others' column.  The final two columns is the sum in decimal and hexadecimal.  If  no  file	is
       specified, a.out is used.

       The options to size(1) are:

       -      Treat the remaining arguments as name of object files not options to size(1).

       -m     Print the sizes of the Mach-O segments and sections as well as the total sizes of the sections in each segment and the total size of
	      the segments in the file.

       -l     When used with the -m option, also print the addresses and offsets of the sections and segments.

       -x     When used with the -m option, print the values in hexadecimal (with leading 0x's) rather than decimal.

       -arch arch_type
	      Specifies the architecture, arch_type, of the file for size(1) to operate on when the file is a fat file.  (See arch(3) for the cur-
	      rently  know  arch_types.)   The arch_type can be "all" to operate on all architectures in the file.  The default is to display only
	      the host architecture, if the file contains it; otherwise, all architectures in the file are shown.

SEE ALSO

       otool(1)

BUGS

       The size of common symbols can't be reflected in any of the numbers for relocatable object files.

Apple Computer, Inc.						   May 23, 2002 							   SIZE(1)
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