compress a file in unix

rujupriya · #1 (**permalink**) 05-22-2006

Hi,
I want to compress a dmp file and ftp to another machine.pls tell me the steps to compress and uncompress the file in unix
Thankyou

madhunk · #2 (**permalink**) 05-22-2006

This is the pseudo code for the question....The '$' signs are parameters passed to the script....

Make sure you check the path for your zip...

PHP Code:


			
/usr/local/pkware/pkzipc/pkzipc -add -path=none ${OUTPUTPATH}/${OUTPUTFILE} ${INPUTPATH}/${INPUTFILE}

Once it is done, then FTP the zip file to the other server

PHP Code:


			
ftp -n << EOF

   verbose

   open ${SERVER} 

   $LOGON

   binary

   mput *.Z 

   close

   bye

EOF

reborg · #3 (**permalink**) 05-22-2006

you can literally type in

compress file

and

uncompress file

thestevew · #4 (**permalink**) 05-24-2006

A word of warning on the compress command - "compress afile.txt" will compress "afile.txt" and rename it "afile.txt.Z", the original afile will no longer exist. So, if you need access to the original after compression, make a copy first!
The uncompress command (or compress -d) works whether you specify afile.txt or afile.txt.Z

amro1 · #5 (**permalink**) 05-24-2006

There are many compressing commands in UNIX/Linux: zip/unzip,gzip/gunzip,compress/uncompress,pax and so on...
Even tar command now knows to compress, for example
like tar -cvzf myarchive.tar.Z /somedirectory so there is no need to perform
compression as it does it automatically with "z" option added.

Hope it helps.

Get "UNIX in 24 hours" book or "UNIX Essentials and UNIX Core" DVD as they explain stuff like that.

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