How do I extract war file under Linux Red Hat Enterprise server 5.0?
I am using a Red Hat enterprise server 5.0
I would like to know if there is a way to extract a single file from inside a war file and display its contents on the screen? For example: I have a file labeled test.war and inside this war there are multiple files/directories. I am interested in seeing the contents of one file labeled MANIFEST.MF without having to unzip the entire war file. does it make sense? |
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If my memory serves me well tonite, a war file is a web archive file for deploying servlets. Try going to http://java.sun.com/j2ee/tutorial/1_...mponents3.htmlfor help with that.
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Try jar xvf file_name.war. I know of a way to do it in Eclipse or a Java program; not sure about doing it on the fly.
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I think you can use the 'u' switch to jar
ie To extract the single file apssession.jar... jar uxvf app.war WEB-INF/lib/appsession.jar |
Jars/Wars are usually stored as a ZIP compressed file.
This works for me to extract the contents of a file to stdout: unzip -c whatever.war META-INF/MANIFEST.MF See man unzip for more options. |
Thanks everyone for your feedback.
I used the unzip option and it did the trick. Usage: unzip [-Z] [-opts[modifiers]] file[.zip][list] [-x xlist] [-d exdir] Default action is to extract files in list, except those in xlist, to exdir; file[.zip] may be a wildcard. -Z => ZipInfo mode ("unzip -Z" for usage). -p extract files to pipe, no messages -l list files (short format) -f freshen existing files, create none -t test compressed archive data -u update files, create if necessary -z display archive comment -x exclude files that follow (in xlist) -d extract files into exdir modifiers: -q quiet mode (-qq => quieter) -n never overwrite existing files -a auto-convert any text files -o overwrite files WITHOUT prompting -aa treat ALL files as text -j junk paths (do not make directories) -v be verbose/print version info -C match filenames case-insensitively -L make (some) names lowercase -X restore UID/GID info -V retain VMS version numbers -K keep setuid/setgid/tacky permissions -M pipe through "more" pager Examples (see unzip.txt for more info): unzip data1 -x joe => extract all files except joe from zipfile data1.zip unzip -p foo | more => send contents of foo.zip via pipe into program more unzip -fo foo ReadMe => quietly replace existing ReadMe if archive file newer |
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