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Old 05-22-2006
rujupriya rujupriya is offline
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compress a file in unix
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
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Old 05-22-2006
madhunk madhunk is offline
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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 
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Old 05-22-2006
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reborg reborg is offline Forum Staff  
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you can literally type in

compress file

and

uncompress file
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Old 05-24-2006
thestevew thestevew is offline
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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
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Old 05-24-2006
amro1 amro1 is offline
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Here..
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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Old 05-24-2006
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reborg reborg is offline Forum Staff  
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[QUOTE=amro1]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.
QUOTE]

This is not a standard behaviour in most UNIX systems. It is an extended feature of GNU tar, which may or may not be available.
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