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Full Discussion: infinite while do loop problem
Top Forums Shell Programming and Scripting infinite while do loop problem Post 302334679 by tententen on Thursday 16th of July 2009 07:43:01 AM
Old 07-16-2009
infinite while do loop problem
hi all,

this is how my scrip looks like
Code:
#!/bin/sh

bindir='/opt/apps/script/bin'
datadir='/opt/apps/script/data'
dir='/opt/apps/script'

while : ; do
     ls -1rt /opt/apps/script/data/check.txt*|tail -1 > /dev/null 2>&1
     if [ $? -eq 0 ] ;then
          chmod +rwx $bindir/dummy2.sh
          lastfile=`ls -1rt /opt/apps/script/data/check.txt*|tail -1` > /dev/null 2>&1
          cp $lastfile $dir/backup/
          cp $lastfile $datadir/IPLIST.txt
     else
         chmod -rwx $bindir/script_check2.sh
         exit 0
     fi
done

Its giving me infinite loop. The check.txt is not in the /opt/apps/script/data/ directory, so I thought I wanted it to do chmod -rwx $bindir/script_check2.sh and exit script straight away.

please help.
Last edited by tententen; 07-16-2009 at 08:57 AM.. Reason: code tags
 

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LEARN ABOUT CENTOS

gimptool-2.0

GIMPTOOL-2.0(1) 					      General Commands Manual						   GIMPTOOL-2.0(1)

NAME

       gimptool-2.0 - script to perform various GIMPy functions

SYNOPSIS

       gimptool-2.0  [--prefix[=DIR]]  [--exec-prefix[=DIR]]  [--version]  [--help] [--quiet] [--silent] [-n] [--just-print] [--dry-run] [--recon]
       [--msvc-syntax]	[--bindir]  [--sbindir]  [--libexecdir]  [--datadir]  [--sysconfdir]   [--sharedstatedir]   [--localstatedir]	[--libdir]
       [--infodir]   [--mandir]  [--includedir]  [--gimpplugindir]  [--gimpdatadir]  [--libs]  [--libs-noui]  [--cflags]  [--cflags-noi]  [--build
       plug-in.c] [--build-strip plug-in.c] [--install plug-in.c] [--install-strip plug-in.c] [--install-admin plug-in.c] [--install-bin  plug-in]
       [--install-admin-strip	 plug-in.c]    [--install-bin-strip   plug-in]	 [--install-admin-bin	plug-in]   [--install-script   script.scm]
       [--install-admin-script script.scm] [--uninstall-bin plug-in]  [--uninstall-admin-bin  plug-in]	[--uninstall-script  script.scm]  [--unin-
       stall-admin-script script.scm]

DESCRIPTION

       gimptool-2.0 is a tool that can, among other things, build plug-ins or scripts and install them if they are distributed in one source file.

       gimptool-2.0 can also be used by programs that need to know what libraries and include-paths GIMP was compiled with. gimptool-2.0 uses pkg-
       config for this task. For use in Makefiles, it is recommended that you use pkg-config directly instead of calling gimptool-2.0.

OPTIONS

       gimptool-2.0 accepts the following options:

       --version
	       Print the currently installed version of GIMP on the standard output.

       --help  Print out the help blurb, showing commonly used commandline options.

       --quiet Run quietly without echoing any of the build commands.

       --silent
	       Run silently without echoing any of the build commands. Same as --quiet.

       -n      Test mode. Print the commands but don't actually execute them. Useful for making dry runs for testing.

       --just-print
	       Test mode. Print the commands but don't actually execute them. Same as -n.

       --dry-run
	       Test mode. Print the commands but don't actually execute them. Same as -n.

       --recon Test mode. Print the commands but don't actually execute them. Same as -n.

       --msvc-syntax
	       Useful on Windows. Outputs the compiler and linker flags in the syntax used by Microsoft's toolchain. Passed to the pkg-config com-
	       mand that does most of gimptool-2.0's work.

       --bindir
	       Outputs the bindir used to install the GIMP.

       --sbindir
	       Outputs the sbindir used to install the GIMP.

       --libexecdir
	       Outputs the libexecdir used to install the GIMP.

       --datadir
	       Outputs the datadir used to install the GIMP.

       --sysconfdir
	       Outputs the sysconfdir used to install the GIMP.

       --sharedstatedir
	       Outputs the sharedstatedir used to install the GIMP.

       --localstatedir
	       Outputs the localstatedir used to install the GIMP.

       --libdir
	       Outputs the libdir used to install the GIMP.

       --infodir
	       Outputs the infodir used to install the GIMP.

       --mandir
	       Outputs the mandir used to install the GIMP.

       --includedir
	       Outputs the includedir used to install the GIMP.

       --gimpdatadir
	       Outputs the actual directory where the GIMP data files were installed.

       --gimpplugindir
	       Outputs the actual directory where the GIMP plug-ins were installed.

       --build plug-in.c
	       Compile and link plug-in.c into a GIMP plug-in.

       --build-strip plug-in.c
	       Compile,link, and strip plug-in.c into a GIMP plug-in.

       --install plug-in.c
	       Compile, link, and install plug-in.c into the user's personal GIMP plug-in directory ($HOME/.gimp-2.8/plug-ins)

       --install-strip plug-in.c
	       Compile, link,strip, and install plug-in.c into the user's personal GIMP plug-in directory ($HOME/.gimp-2.8/plug-ins)

       --install-admin plug-in.c
	       Compile, link, and install plug-in.c into the system-wide GIMP plug-in directory (/usr/lib64/gimp/2.0/plug-ins)

       --install-bin plug-in
	       Install plug-in into the user's personal GIMP plug-in directory ($HOME/.gimp-2.8/plug-ins)

       --install-admin-bin plug-in
	       Install plug-in into the system-wide GIMP plug-in directory (/usr/lib64/gimp/2.0/plug-ins)

       --install-bin-strip plug-in
	       Install stripped plug-in into the user's personal GIMP plug-in directory ($HOME/.gimp-2.8/plug-ins)

       --install-admin-bin-strip plug-in
	       Install stripped plug-in into the system-wide GIMP plug-in directory (/usr/lib64/gimp/2.0/plug-ins)

       --install-script script.scm
	       Install script.scm into the user's personal GIMP script directory ($HOME/.gimp-2.8/scripts)

       --install-admin-script script.scm
	       Install script.scm into the system-wide GIMP script directory (/usr/share/gimp/2.0/scripts)

       --uninstall-bin plug-in
	       Uninstall plug-in from the user's personal GIMP plug-in directory ($HOME/.gimp-2.8/plug-ins)

       --uninstall-admin-bin plug-in
	       Uninstall plug-in from the system-wide GIMP plug-in directory (/usr/lib64/gimp/2.0/plug-ins)

       --uninstall-script script.scm
	       Uninstall script.scm from the user's personal GIMP script directory ($HOME/.gimp-2.8/scripts)

       --uninstall-admin-script script.scm
	       Uninstall script.scm from the system-wide GIMP script directory (/usr/share/gimp/2.0/scripts)

       --libs  Print the linker flags that are necessary to link a GIMP plug-in.

       --libs-noui
	       Print the linker flags that are necessary to link a GIMP plug-in, for plug-ins that do not require the GTK+ libraries.

       --cflags
	       Print the compiler flags that are necessary to compile a GIMP plug-in.

       --clags-noui
	       Print the compiler flags that are necessary to compile a GIMP plug-in for plug-ins that do not require the GTK+ libraries.

       --prefix=PREFIX
	       If specified, use PREFIX instead of the installation prefix that GIMP was built with when computing the output for the --cflags and
	       --libs options. This option is also used for the exec prefix if --exec-prefix was not specified.  This  option  must  be  specified
	       before any --libs or --cflags options.

       --exec-prefix=PREFIX
	       If  specified,  use  PREFIX  instead  of  the  installation  exec prefix that GIMP was built with when computing the output for the
	       --cflags and --libs options. This option must be specified before any --libs or --cflags options.

ENVIRONMENT

       CC      to get the name of the desired C compiler.

       CFLAGS  to get the preferred flags to pass to the C compiler for plug-in building.

       LDFLAGS to get the preferred flags for passing to the linker.

       LIBS    for passing extra libs that may be needed in the build process. For example, LIBS=-lintl .

       PKG_CONFIG
	       to get the location of the pkg-config program that is used to determine details about your glib, pango, gtk+ and gimp installation.

SEE ALSO

       gimp(1), gimprc(5), pkg-config(1)

AUTHORS

       gimptool was written by Manish Singh (yosh@gimp.org) and is based on gtk-config by Owen Taylor (owen@gtk.org).

       This man page was written by Ben Gertzfield (che@debian.org), and tweaked by Manish Singh (yosh@gimp.org), Adrian Likins  (adrian@gimp.org)
       and Marc Lehmann (pcg@goof.com>).

GIMP Manual Pages						  Version 2.8.10						   GIMPTOOL-2.0(1)
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