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Full Discussion: PERL question
Top Forums Shell Programming and Scripting PERL question Post 84611 by jerardfjay on Tuesday 27th of September 2005 02:03:14 PM
Old 09-27-2005
PERL question
Hello,

pkzipc of a certain zip file yeilds the following in shell

Code:
PKZIP(R)  Version 6.0  FAST!  Compression Utility for AIX
Copyright 1989-2002 PKWARE Inc.  All Rights Reserved. Registered Version
PKZIP Reg. U.S. Pat. and Tm. Off.  Patent No. 5,051,745

Viewing .ZIP: test.zip

  Length Method     Size  Ratio    Date     Time   CRC-32  Mode   Name
  ------ ------     ----  -----    ----     ----   ------  ----   ----
  1002KB DeflatN    226KB 77.5% 09/26/2005  3:16p a7f6d4e9 0777   M0511514944/file1
   474KB DeflatN     91KB 80.8% 09/26/2005  3:16p fbc1c376 0777   M0511514944/file2
   476KB DeflatN     91KB 80.9% 09/26/2005  3:16p 9fac9cf5 0777   M0511514944/file3
   113KB DeflatN     92KB 18.5% 09/26/2005  3:16p 5b5b5521 0777   M0511514944/file4
  ------           ------ -----                                   ----
  2065KB            500KB 75.8%                                      4

In perl I want to be able to do the following.

issue the following shell command.

Code:
pkipc test.zip

which would result in something like

Code:
PKZIP(R)  Version 6.0  FAST!  Compression Utility for AIX
Copyright 1989-2002 PKWARE Inc.  All Rights Reserved. Registered Version
PKZIP Reg. U.S. Pat. and Tm. Off.  Patent No. 5,051,745

Viewing .ZIP: test.zip

  Length Method     Size  Ratio    Date     Time   CRC-32  Mode   Name
  ------ ------     ----  -----    ----     ----   ------  ----   ----
  1002KB DeflatN    226KB 77.5% 09/26/2005  3:16p a7f6d4e9 0777   M0511514944/file1
   474KB DeflatN     91KB 80.8% 09/26/2005  3:16p fbc1c376 0777   M0511514944/file2
   476KB DeflatN     91KB 80.9% 09/26/2005  3:16p 9fac9cf5 0777   M0511514944/file3
   113KB DeflatN     92KB 18.5% 09/26/2005  3:16p 5b5b5521 0777   M0511514944/file4
  ------           ------ -----                                   ----
  2065KB            500KB 75.8%                                      4

I need the take only the columns and values output by the pkzip command and add the constant "COMMENT ;" in front of it to make the following

Code:
COMMENT       ;  Length Method     Size  Ratio    Date     Time   CRC-32  Mode   Name
COMMENT       ;  ------ ------     ----  -----    ----     ----   ------  ----   ----
COMMENT       ;  1002KB DeflatN    226KB 77.5% 09/26/2005  3:16p a7f6d4e9 0777   M0511514944/file1
COMMENT       ;   474KB DeflatN     91KB 80.8% 09/26/2005  3:16p fbc1c376 0777   M0511514944/file2
COMMENT       ;   476KB DeflatN     91KB 80.9% 09/26/2005  3:16p 9fac9cf5 0777   M0511514944/file3
COMMENT       ;   113KB DeflatN     92KB 18.5% 09/26/2005  3:16p 5b5b5521 0777   M0511514944/file4
COMMENT       ;  ------           ------ -----                                   ----
COMMENT       ;  2065KB            500KB 75.8%                                      4

Finally I need the above appended to an existing log file.
Please advise me on how to achieve this using PERL. Thanks for your help.

Jerardfjay
 

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