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Top Forums Shell Programming and Scripting How to read a list of paths from a file? Post 302360932 by mostacholoco on Sunday 11th of October 2009 02:26:49 PM
Old 10-11-2009
How to read a list of paths from a file?

Hi everyone! I'm pretty bad at shell scripting and I am trying to create a java launcher. The idea is to store in a configuration file different paths (each for a different java version) and then, run a .sh file that would read the specified java path and execute the .jar file. This is what i have so far.

Content of file: Config.cfg
Code:
[JavaPaths] 
Java6=./jre/bin/java

Content of file: JavaLauncher.sh
Code:
#!/bin/bash
MYVAR=`awk -F= '/Java6=/ { print $2 }' Config.cfg`
echo "$MYVAR"
echo "$MYVAR -jar jarFile.jar"
$MYVAR -jar jarFile.jar

The echos are there for debugging purposes. Both files are in the same directory in which i also have the jre folder.

After executing
Code:
./JavaLauncher.sh

I get this:
Code:
./jre/bin/java
 -jar jarFile.jar
: No such file or directoryre/bin/java

This is what I am not getting:
  1. Why does the 2nd line not contain the variable and the 1st one does?
  2. Why does the 3rd line states there is no such file or directory while ./jre/bin/java -jar jarFile.jar runs the jar file perfectly?
  3. Why is the 3rd line echoed that way?
Any help would be appreciated. Thanks in advance Smilie
 

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MAVEN(1)							   User Commands							  MAVEN(1)

NAME
Maven - Installs a jar into /usr/share/maven-repo. SYNOPSIS
mh_installjar [option]... [pom] [jar] [link]... DESCRIPTION
Installs the jar file in /usr/share/maven-repo, at the correct location for Maven. The jar is copied into the build directory. It can also create additional links to the jar, usually located in /usr/share/java. Where [pom] is the location of the POM associated with the jar to install. GroupId, artifactId and version will be extracted from this file. [jar] is the path to the jar to install, usually located in the build folder. [link] is an additional link to the jar to install, usually there should be a link to usr/share/java/$jar.jar and usr/share/java/$jar-$version.jar to comply with the Java packaging guidelines. Note that there is no need to specify those particular links if the --java-lib option is used. OPTIONS
-h --help: show this text -V --version: show the version -p<package> --package=<package>: name of the Debian package which will contain this jar file -e<version>, --set-version=<version>: set the version for the jar, do not use the version declared in the POM file. -r<rules> --rules=<rules>: path to the file containing the rules to apply when cleaning the POM. Optional, the default location is debian/maven.rules Maven rules are used here to extract the groupId, artifactId and version from the POM file. -l --java-lib: Optional, if given it will install the jar into /usr/share/java to comply with the Debian Java specification. The jar will be installed as /usr/share/java/$name-$version.jar and a versionless link /usr/share/java/$name.jar will point to it, as well as the links installed in /usr/share/maven-repo -n<name> --usj-name=<name>: Optional, the name to use when installing the library in /usr/share/java when --java-lib is used. Defaults to the artifact id found in the POM. -j<version> --usj-version=<version>: Optional, the version to use when installing the library in /usr/share/java when --java-lib is used. Defaults to the version found in the POM. -s --no-usj-versionless: Optional, don't install the versionless link in /usr/share/java. This flag is used only when the -l or --java-lib option is given. -d<path> --dest-jar=<path>: Optional, the destination for the real jar. The other places where the jar appears, in the repository or in the list of links, will be symlinks to this jar. Defaults to /usr/share/java/$name-$version.jar if --java-lib is used, otherwise the jar is installed in the versioned path in the Maven reposi- tory. -c<classifier> --classifier=<classifier>: Optional, the classifier for the jar. Empty by default. -v --verbose: show more information while running -n --no-act: don't actually do anything, just print the results --skip-clean-pom: don't clean the pom, assume that a previous action ran mh_cleanpom with the correct options. mh_cleanpom is run only to extract the groupId, artifactId and version of the jar See also: mh_installpom(1), mh_installsite(1) Maven Repo Helper version 1.7.1 January 2012 MAVEN(1)
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