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Full Discussion: Invoke a bash script with perl
Top Forums Shell Programming and Scripting Invoke a bash script with perl Post 302454934 by Damon_Qu on Monday 20th of September 2010 10:19:53 AM
Old 09-20-2010
Bug Invoke a bash script with perl
Hi all,

I use the perl script to invoke the bash script. and now there is a problem.

my bash script lists as follows:
Quote:
JDK=`/usr/bin/java -version &>/tmp/jdk.txt; cat /tmp/jdk.txt|sed -n '1p'|awk -F\" '{print $2}'|awk -F_ '{print $1}'`
if [ "$SERVER_TYPE" = "i386" ]; then
if [ "$JDK" = "1.5.0" ]; then
info "The version of java installed on the server (i386) is 1.5."
else
error "The version of java installed on the server is not 1.5."
TEST_PASSED=FALSE
fi
else
if [ "$JDK" = "1.6.0" ]; then
info "The version of java installed on the server (sparc) is 1.6."
else
error "The version of java installed on the server is not 1.5."
TEST_PASSED=FALSE
fi
fi
and I use perl run this test scripts
Quote:
qx($command)
now the problem is when I run the perl script I find there is nothing recorded in the file /tmp/jdk.txt
 

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LEARN ABOUT DEBIAN

airport-linkmon

AIRPORT-LINKMON(1)					      General Commands Manual						AIRPORT-LINKMON(1)

NAME

       airport-linkmon	-  Wireless link quality monitor for the original Apple AirPort Base Station ("Graphite") and the Lucent RG-1000 base sta-
       tion

SYNOPSIS

       airport-linkmon

DESCRIPTION

       airport-linkmon allows you to measure the signal strength and noise on the wireless links between your  base  station  and  its	associated
       wireless hosts.

OPTIONS

       airport-linkmon	accepts  no  command-line  options.  airport-linkmon  is  a  wrapper script around the LinkMonitor.jar jar file located in
       /usr/share/java/airport-utils.

       You can set the JAVACMD environment variable to use a specific JVM instead of the one chosen by the wrapper script. Set the DEBUG  environ-
       ment variable to 1 to get the debug output from the wrapper script.

ENVIRONMENT VARIABLES

       DEBUG  Set this variable to 1 to get the debug output from the wrapper script.

       JAVACMD
	      The  full  path  to  the	Java  Virtual  Machine	to  use.  By  default,	the  wrapper  uses JAVACMD; if it is not set, it looks for
	      JAVA_BINDIR/java, then for JAVA_HOME/bin/java before looking for a java executable in the PATH. In the latter case, the JVM used can
	      be configured using the Debian alternatives system (see update-alternatives(8)).

       JAVA_HOME
	      The full path where your JDK/JRE is installed.

       JAVA_BINDIR
	      The full path to the directory where the java executable is located.

       JAVA_ARGS
	      Extra command-line arguments to be passed to the Java Virtual Machine.

AUTHOR

       airport-linkmon was written by Jon Sevy <jsevy@cs.drexel.edu>.

       This manual page was written by Julien BLACHE <jblache@debian.org>, for the Debian project (but may be used by others).

								   May 20, 2006 						AIRPORT-LINKMON(1)
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