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print only comments

 
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Old 06-12-2010
print only comments
I want to write a shell script which it takes as argument a java file or a c++ file (.java or .cpp).
It will check if the file is type of java or c++, else it ends with error message.
If all are ok, it will call awk that prints only the comments that the java or c++ file contains, grouping and puting them between tags.

For example, I have this code:
Code:
/*
The HelloWorld class implements an application that
simply prints "Hello World!" to standard output.
//You can add comments
*/
class HelloWorld {
    public static void main(String[] args) {
//Let's print Hello World
        System.out.println("Hello World!");
    } /* some comments */
} //end of class

I want to have this output:
Code:
<comments>
/*
The HelloWorld class implements an application that
simply prints "Hello World!" to standard output.
//You can add comments
*/
/* some comments */
//end of class
</comments>

 
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LEARN ABOUT DEBIAN

mh_linkjar

MAVEN(1)							   User Commands							  MAVEN(1)

NAME

       Maven - Creates a link in /usr/share/maven-repo for an existing jar.

SYNOPSIS

       mh_linkjar [option]... [pom] [dest_jar] [link]...

DESCRIPTION

       Create  symlinks for a jar installed by other means. The symlinks created include links to the jar in /usr/share/maven-repo, at the correct
       location for Maven.  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.

	      [dest_jar] is the path of the installed jar, usually located in the

	      usr/share/java 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.

       -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

Maven Repo Helper version 1.7.1 				   January 2012 							  MAVEN(1)