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Annotation of coherent/b/bin/unzip/funzip.1, revision 1.1.1.1

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

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