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Top Forums Shell Programming and Scripting How to Find JRE installed in linux machine..? Post 302139984 by XivaX on Wednesday 10th of October 2007 08:21:11 AM
Old 10-10-2007
How to Find JRE installed in linux machine..?

Hi all,

Im new to linux... Im in need to write a shell script to check wthr JRE in linux machine... Wtz de best way to find thru BASH?? Plz help me out to solve this issue...

Thanks
 

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MACROS.JPACKAGE(7)						RPM Java packaging						MACROS.JPACKAGE(7)

NAME
macros.jpackage - RPM macros for Java packagers and developers. Written for the JPackage Project <http://www.jpackage.org/>: SYNOPSIS
%_jvmdir Root directory where all Java VMs/SDK/JREs are installed. %_jvmjardir Root directory where all Java VMs/SDK/JREs expose their jars %_jvmprivdir Root directory for all Java VM/SDK/JRE's private things. %_jvmlibdir Root directory for all architecture dependent parts of Java VM/SDK/JRE's %_jvmdatadir Root directory for all architecture independent parts of Java VM/SDK/JRE's %_jvmsysconfdir Root directory for all configurations parts of Java VM/SDK/JRE's %_jvmcommonlibdir Root directory for all common architecture dependent parts of Java VM/SDK/JRE's %_jvmcommondatadir Root directory for all common architecture independent parts of Java VM/SDK/JRE's %_jvmcommonsysconfdir Root directory for all common configurations parts of Java VM/SDK/JRE's %_javadir Directory where arch and version independent jars are installed. %{_javadir}-ext Directory where version dependent jars are installed. %_{javadir} Directory where arch and version independent jars are installed. %{_javadir}-x.y.z Directory where jars for Java standard x.y.z (usually symlinks to %{_javadir}-ext) are installed. %{_javadir}-utils Directory where Java-related scripts are installed. %_jnidir Directory where arch-specific (JNI) version-independent jars are installed. %_{jnidir}-ext Directory where arch-specific (JNI) version-dependent jars are installed. %_{jnidir}-x.y.z Directory where arch-specific (JNI) jars for Java standard x.y.z (usually symlinks to %{_jnidir}-ext) are installed. %_javadocdir Root directory where all javadoc is installed. %_mavendepmapdir Directory for maven depmaps. %_mavendepmapfragdir Directory for maven depmaps. %java_home Current default JVM home. Calls a set_jvm() from java-functions(7). %ant Default ant command. %jar Default jar command. %java Default java command. Calls a set_jvm() from java-functions(7). %javac Default javac command. %javadoc Default javadoc command. %add_jvm_extension add_jvm_extension should be used in %install by extension packages to declare what extension jars they provide. %add_to_maven_depmap() add_to_depmap adds an entry to the depmap. The arguments are: %1 the original groupid %2 the original artifact id %3 the version %4 the new groupid %5 the new artifactid %update_maven_depmap() update_maven_depmap updates the main maven depmap %jpackage_script() A standard script fot running jpackage positive applications. %1 main class %2 flags %3 options %4 jars (separated by ':') %5 the name of script you wish to create DESCRIPTION
This is a library of generic rpm macros which should be used on jpackage.org compatible distributions. FILES
/etc/rpm/macros.jpackage Definitions of macros. For additional informations look at this file. /use/share/java-utils/java-functions shell script functions library for Java applications /etc/java/java.conf system-wide Java configuration file ~/.java/java.conf user's Java configuration SEE ALSO
Regular Manual Pages java.conf(5) java-functions(7) jpackage-utils(7) AUTHORS
David Walluck <david@jpackage.org> Ville Skytta <scop at jpackage.org> Nicolas Mailhot <Nicolas.Mailhot at laPoste.net> REPORTING BUGS
Report bugs using JPackage Bugzilla (http://www.jpackage.org/bugzilla/) jpackage-utils 1.7.5 February 2009 MACROS.JPACKAGE(7)
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