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Synopsis
extcheck [-verbose] jarfile
Description
extcheck checks
to see if the extension contained in the specified
jarfile (or a newer version of that
extension) has already been installed on the system. It does this by
reading the Specification-Title and
Specification-Version manifest attributes from the
specified jarfile and from all of the JAR
files found in the system extensions directory.extcheck is designed for use in automated
installation scripts. Without the -verbose option,
it does not print the results of its check. Instead, it sets its exit
code to 0 if the specified extension does not conflict with any
installed extensions and can be safely installed. It sets its exit
code to a nonzero value if an extension with the same name is already
installed and has a specification version number equal to or greater
than the version of the specified file.
Options
- -verbose
Lists the installed extensions as they are checked and displays the
results of the check.
See also
jar
