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Full Discussion: how can i check if text file is closed ?
Top Forums Shell Programming and Scripting how can i check if text file is closed ? Post 302102730 by matrixmadhan on Friday 12th of January 2007 10:03:36 AM
Old 01-12-2007
Quote:
Originally Posted by jim mcnamara
Code:
#!/bin/ksh
in_use=$(fuser -u /path/to/file/filename)
if [ ${#in_use} -gt 0 ] ; then
   echo "file in use"
else
   echo "file not in use"
fi

I have few objections with the above!

on the same node with two different sessions,
I ran the following

session I
>
Code:
while :
do
echo "a" > file1
done

session II
>
Code:
while :
do 
fuser -u file1; echo $?
sleep 1
done


the output really alternates between being used -> not being used


from the man pages of fuser,
fuser returns a non-zero return code if none of the specified files is
accessed or in case of a fatal error. If at least one access has been
found, fuser returns zero.
 

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LEARN ABOUT CENTOS

gnome-settings-daemon

GNOME-SETTINGS-DAE(1)						   User Commands					     GNOME-SETTINGS-DAE(1)

NAME

       gnome-settings-daemon - GNOME settings daemon

SYNOPSIS

       gnome-settings-daemon [OPTION...]

DESCRIPTION

       gnome-settings-daemon provides many session-wide services and functions that require a long-running process. Among the services implemented
       by gnome-settings-daemon are an XSettings manager, which provides theming, font and other settings to GTK+ applications, and a clipboard
       manager, which preserves clipboard contents when an application exits. Many user interface elements of gnome-shell and gnome-control-center
       rely on gnome-settings-daemon for their functionality.

       The internal architecture of gnome-settings-daemon consists of a number of plugins, which provide functionality such as printer
       notifications, software update monitoring, background changing, etc. For debugging purposes, these plugins can be individually disabled by
       changing the gsettings key org.gnome.settings-daemon.plugins.plugin-name.active, where plugin-name is the name of the plugin. To see a list
       of all plugins, use the command
	gsettings list-children org.gnome.settings-daemon.plugins

       gnome-settings-daemon takes the name org.gnome.SettingsDaemon on the session bus to ensure that only one instance is running. Some plugins
       export objects under this name to make their functionality available to other applications. The interfaces of these objects should
       generally be considered private and unstable.

       gnome-settings-daemon is a required component of the GNOME desktop, i.e. it is listed in the RequiredComponents field of
       /usr/share/gnome-session/sessions/gnome.session. It is started in the initialization phase of the session, and gnome-session will restart
       it if it crashes.

OPTIONS

       -h, --help
	   Prints a short help text and exits.

       --debug
	   Enables debugging code.

       --timed-exit
	   Exits after a timeout (30 seconds) for debugging.

FILES

       /usr/share/gnome-session/sessions/gnome.session
	   GNOME session definition file where gnome-settings-daemon is listed as a required component.

       /etc/xdg/autostart/gnome-settings-daemon.desktop
	   Autostart file for gnome-settings-daemon, where its autostart phase is set.

SEE ALSO

       gnome-shell(1), gnome-control-center(1), gnome-session(1)

GNOME
															     GNOME-SETTINGS-DAE(1)
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