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Full Discussion: Script to clear filesystem
Operating Systems HP-UX Script to clear filesystem Post 302997182 by anaigini45 on Tuesday 9th of May 2017 06:51:10 AM
Old 05-09-2017
Script to clear filesystem
Hi,

I have created a script to clear up the /var filesystem once it reaches > 90%.
This is part of the script :

Code:
#!/bin/bash

DIR = ./adm
DIR2=./adm/sw
DIR3 = ./spool/mqueue
DIR4 = ./adm/syslog
DIR5 = ./adm/sulog
DIR6 = ./tmp
F1 = ./tmp/dead.letter
F2 = ./adm/wtmps
file1 = dead.letter
file2 = wtmps

dir=`du -x | sort -rn | head -20`
cd /var
for i in $dir;
do
	if [ -d "$DIR1" ]; then
		cd "$DIR1"
			if [ -f "$file2" ]; then
			 cat /dev/null > "$file2"
	elif [ -d "$DIR2" ]; then
		tar -cvf /temp/admsw.arch "$DIR2";
		rm -rf "$DIR2"
	elif [ -d "$DIR3" ]; then
		find "$DIR3" -mtime +100 -exec rm {} \;			
	elif [ -d "$DIR4" ]; then

	elif [ -d "$DIR5" ]; then	
		
	elif [ -d "$DIR6" ]; then
		cd "$DIR6"
			if [ -f "$file1" ]; then
				rm -f "$file1"
 			fi
	elif [ -f "$F1" ]; then
		rm -f "$F1"
	elif [ -f "$F2" ]; then
		cat /dev/null > "$F2"
	fi
done

To test if this script works, I execute the command in the terminal (only to clear one of the filesystems above). However it seemed to run for an extremely long time. Therefore I sensed that something could be wrong with the statements I used - perhaps the for loop?

These are the steps I executed :

Code:
# cd /var
# dir=`du -x | sort -rn | head -20`
# DIR2=./adm/sw
#for i in $dir;
>do
>if [ -d "$DIR2" ]; then
>tar -cvf /temp/admsw.tar "$DIR2";
>fi
>done

Are the above steps correct? Why does the command run for a long time?
Last edited by anaigini45; 05-09-2017 at 07:58 AM..
 

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LEARN ABOUT DEBIAN

meld

MELD(1) 						      General Commands Manual							   MELD(1)

NAME

       meld - Visual diff and merge tool for the GNOME Desktop

SYNOPSIS

       meld [options]
       meld [options] FILE1
       meld [options] DIR1
       meld [options] FILE1 FILE2 [FILE3]
       meld [options] DIR1 DIR2 [DIR3]

DESCRIPTION

       Meld  is  a  graphical diff viewer and merge application for the Gnome desktop.	It supports 2 and 3-file diffs, recursive directory diffs,
       diffing of directories under version control (Arch, Bazaar, Codeville, CVS, Darcs, Git, Mercurial, Monotone, RCS), as well as  the  ability
       to manually and automatically merge file differences.

OPTIONS

       --auto-compare, -a
	      Automatically compare all differing files on startup.

       --diff FILE1|DIR1 FILE2|DIR2 [FILE3|DIR3]
	      Create a diff tab for the given files or directories.  Note that "meld --diff FILE1 FILE2" is functionally equivalent to "meld FILE1
	      FILE2".  However, the --diff argument can be given multiple times for one invocation of meld which allows the user to  automatically
	      initiate multiple diffs when meld starts.  See examples below.

       --help, -h
	      Print application help and usage.

       --LABEL=<label>, -L <label>
	      Set application window title to <label>.

       --version
	      Print application version and exit.

EXAMPLES

       meld
	      Run meld without initiating a diff.

       meld FILE1
	      Initiate a diff between FILE1 and the version-controlled copy of FILE1.

       meld DIR1
	      Initiate a recursive diff between DIR1 and the version-controlled copy of DIR1.

       meld FILE1 FILE2
	      Initiate a diff between FILE1 and FILE2.

       meld FILE1 FILE2 FILE3
	      Initiate a 3-way diff between FILE1, FILE2, and FILE3.

       meld DIR1 DIR2
	      Initiate a recursive diff between directory DIR1 and DIR2.

       meld DIR1 DIR2 DIR3
	      Initiate a recursive 3-way diff between directory DIR1, DIR2, and DIR3.

       meld --diff FILE1 FILE2 --diff FILE3 FILE4
	      Initiate a diff between FILE1 and FILE2, and a separate diff between FILE3 and FILE4.

BUGS

       If  you	find  a  bug,  please report it at https://bugzilla.gnome.org/buglist.cgi?product=meld or mail a description of the issue to meld-
       list@gnome.org.

AUTHORS

       See the AUTHORS text file in meld's source code (http://git.gnome.org/browse/meld/tree/AUTHORS).

								   26 Sept 2010 							   MELD(1)
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