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Text File
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1995-07-25
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4KB
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133 lines
FFFFUUUUNNNNZZZZIIIIPPPP((((1111)))) UUUUNNNNIIIIXXXX SSSSyyyysssstttteeeemmmm VVVV ((((11119999 AAAAuuuugggg 99992222 ((((vvvv1111....3333)))))))) FFFFUUUUNNNNZZZZIIIIPPPP((((1111))))
NNNNAAAAMMMMEEEE
funzip - extract from a ZIP archive file as a filter
SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
[...] | ffffuuuunnnnzzzziiiipppp [ password ] | [...]
AAAARRRRGGGGUUUUMMMMEEEENNNNTTTTSSSS
[_p_a_s_s_w_o_r_d] Optional password to be used if ZIP archive is
encrypted. Decryption may not be supported at
some sites. See DESCRIPTION for more details.
DDDDEEEESSSSCCCCRRRRIIIIPPPPTTTTIIIIOOOONNNN
_F_U_n_Z_i_p acts as a filter; that is, it assumes that a ZIP
archive is being piped into standard input, and it extracts
the first member from the archive to stdout. Given the
limitation on single-member extraction, _F_U_n_Z_i_p is most
useful in conjunction with a secondary archiver program such
as tar(1). The following section includes an example
illustrating this usage in the case of disk backups to tape.
EEEEXXXXAAAAMMMMPPPPLLLLEEEESSSS
To use _F_U_n_Z_i_p to extract the first member file of the
archive test.zip and to pipe it into more(1):
_f_u_n_z_i_p < test.zip | more
To use _F_U_n_Z_i_p to test the first member file of test.zip (any
errors will be reported on standard error):
_f_u_n_z_i_p < test.zip > /dev/null
To use _Z_i_p and _F_U_n_Z_i_p in place of compress(1) and zcat(1)
for tape backups:
tar cf - . | _z_i_p -7 | dd of=/dev/nrst0 obs=8k
dd if=/dev/nrst0 ibs=8k | _f_u_n_z_i_p | tar xf -
(where, for example, nrst0 is a SCSI tape drive).
LLLLIIIIMMMMIIIITTTTAAAATTTTIIIIOOOONNNNSSSS
There is presently no way to extract any member but the
first from a ZIP archive. This would be useful in the case
where a ZIP archive is included within another archive.
An alternate mechanism for passing the password to _F_U_n_Z_i_p
would be preferable to putting it on the command line.
_F_U_n_Z_i_p would be useful under OS/2, too.
The functionality of _F_U_n_Z_i_p should be included in _U_n_Z_i_p
directly (future release).
Page 1 (printed 3/9/94)
FFFFUUUUNNNNZZZZIIIIPPPP((((1111)))) UUUUNNNNIIIIXXXX SSSSyyyysssstttteeeemmmm VVVV ((((11119999 AAAAuuuugggg 99992222 ((((vvvv1111....3333)))))))) FFFFUUUUNNNNZZZZIIIIPPPP((((1111))))
SSSSEEEEEEEE AAAALLLLSSSSOOOO
unzip(1), zip(1), zipcloak(1), zipinfo(1), zipnote(1),
zipsplit(1)
AAAAUUUUTTTTHHHHOOOORRRR
Mark Adler (Info-ZIP)
Page 2 (printed 3/9/94)