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Annotation of coherent/b/bin/unzip/funzip.doc, revision 1.1.1.1

1.1       root        1: 
                      2: FUNZIP(1)                USER COMMANDS                  FUNZIP(1)
                      3: 
                      4: NAME
                      5:      funzip - extract from a ZIP archive file as a filter
                      6: 
                      7: SYNOPSIS
                      8:      [...]  |  funzip [ password ]  |  [...]
                      9: 
                     10: ARGUMENTS
                     11:      [password]  Optional password to be used if ZIP  archive  is
                     12:                  encrypted.   Decryption  may not be supported at
                     13:                  some sites.  See DESCRIPTION for more details.
                     14: 
                     15: DESCRIPTION
                     16:      FUnZip acts as a filter; that is,  it  assumes  that  a  ZIP
                     17:      archive  is being piped into standard input, and it extracts
                     18:      the first member from the archive to stdout.  Given the lim-
                     19:      itation  on  single-member extraction, FUnZip is most useful
                     20:      in conjunction with a secondary  archiver  program  such  as
                     21:      tar(1).   The  following  section includes an example illus-
                     22:      trating this usage in the case of disk backups to tape.
                     23: 
                     24: EXAMPLES
                     25:      To use FUnZip to  extract  the  first  member  file  of  the
                     26:      archive test.zip and to pipe it into more(1):
                     27: 
                     28:           funzip < test.zip | more
                     29: 
                     30:      To use FUnZip to test the first member file of test.zip (any
                     31:      errors will be reported on standard error):
                     32: 
                     33:           funzip < test.zip > /dev/null
                     34: 
                     35:      To use Zip and FUnZip in place of  compress(1)  and  zcat(1)
                     36:      for tape backups:
                     37: 
                     38:           tar cf - . | zip -7 | dd of=/dev/nrst0 obs=8k
                     39: 
                     40:           dd if=/dev/nrst0 ibs=8k | funzip | tar xf -
                     41: 
                     42:      (where, for example, nrst0 is a SCSI tape drive).
                     43: 
                     44: LIMITATIONS
                     45:      There is presently no way to  extract  any  member  but  the
                     46:      first  from a ZIP archive.  This would be useful in the case
                     47:      where a ZIP archive is included within another archive.
                     48: 
                     49:      An alternate mechanism for passing the  password  to  FUnZip
                     50:      would be preferable to putting it on the command line.
                     51: 
                     52:      FUnZip would be useful under OS/2, too.
                     53: 
                     54:      The functionality of FUnZip  should  be  included  in  UnZip
                     55:      directly (future release).
                     56: 
                     57: Info-ZIP          Last change: 19 Aug 92 (v1.3)                 1
                     58: 
                     59: FUNZIP(1)                USER COMMANDS                  FUNZIP(1)
                     60: 
                     61: SEE ALSO
                     62:      unzip(1),  zip(1),  zipcloak(1),   zipinfo(1),   zipnote(1),
                     63:      zipsplit(1)
                     64: 
                     65: AUTHOR
                     66:      Mark Adler (Info-ZIP)
                     67: 
                     68: Info-ZIP          Last change: 19 Aug 92 (v1.3)                 2
                     69: 

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