.\" ziptool.mdoc -- modify zip archives in multiple ways
.\" Copyright (C) 2016 Dieter Baron and Thomas Klausner
.\"
.\" This file is part of libzip, a library to manipulate ZIP archives.
.\" The authors can be contacted at <libzip@nih.at>
.\"
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.\" modification, are permitted provided that the following conditions
.\" are met:
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.\"    products derived from this software without specific prior
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.\"
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.Dd December 16, 2016
.Dt ZIPTOOL 1
.Os
.Sh NAME
.Nm ziptool
.Nd modify zip archives
.Sh SYNOPSIS
.Nm
.Op Fl cegHhmnrst
.Op Fl l Ar length
.Op Fl o Ar offset
.Ar zip-archive
.Cm command Op Ar command-args ...
.Op Cm command Oo Ar command-args ... Oc ...
.Sh DESCRIPTION
.Nm
modifies the zip archive
.Ar zip-archive
according to the
.Ar commands
given.
.Pp
Supported options:
.Bl -tag -width MoMoffsetMM
.It Fl c
Check zip archive consistency when opening it.
.It Fl e
Error if archive already exists (only useful with
.Fl n ) .
.It Fl g
Guess file name encoding (for
.Cm stat
command).
.It Fl H
Write files with
.Dq holes
compactly.
In other words, when the modified zip archive contains long runs of zeroes,
write a basic run-length encoded block instead.
.Em Note :
This command is for internal testing of
.Xr libzip 3
and will usually create invalid zip archives.
.It Fl h
Display help.
.It Fl l Ar length
Only read
.Ar length
bytes of archive.
See also
.Fl o .
.It Fl m
Read archive into memory, and modify there; write out at end.
.Em Note :
This command is for internal testing of
.Xr libzip 3 .
.It Fl n
Create archive if it doesn't exist.
See also
.Fl e .
.It Fl o Ar offset
Start reading input archive from
.Ar offset .
See also
.Fl l .
.It Fl r
Print raw file name encoding without translation (for
.Cm stat
command).
.It Fl s
Follow file name convention strictly (for
.Cm stat
command).
.It Fl t
Disregard current file contents, if any.
.Em Note :
use this with care, it deletes all existing file contents when
you modify the archive.
.El
.Ss Commands
For all commands below, the index is zero-based.
In other words, the first entry in the zip archive has index 0.
.Pp
Supported commands and arguments are:
.Bl -tag -width 10n
.It Cm add Ar name content
Add file called
.Ar name
using the string
.Ar content
from the command line as data.
.It Cm add_dir Ar name
Add directory
.Ar name .
.It Cm add_file Ar name file_to_add offset len
Add file
.Ar name
to archive, using
.Ar len
bytes from the file
.Ar file_to_add
as input data, starting at
.Ar offset .
.It Cm add_from_zip Ar name archivename index offset len
Add file called
.Ar name
to archive using data from another zip archive
.Ar archivename
using the entry with index
.Ar index
and reading
.Ar len
bytes from
.Ar offset .
.It Cm add_nul Ar name length
Add a file
.Ar name
consisting of
.Ar length
NUL bytes.
(Mostly useful for testing.)
.It Cm cat Ar index
Output file contents for entry
.Ar index
to stdout.
.It Cm count_extra Ar index flags
Print the number of extra fields for archive entry
.Ar index
using
.Ar flags .
.It Cm count_extra_by_id Ar index extra_id flags
Print number of extra fields of type
.Ar extra_id
for archive entry
.Ar index
using
.Ar flags .
.It Cm delete Ar index
Remove entry at
.Ar index
from zip archive.
.It Cm delete_extra Ar index extra_idx flags
Remove extra field number
.Ar extra_idx
from archive entry
.Ar index
using
.Ar flags .
.It Cm delete_extra_by_id Ar index extra_id extra_index flags
Remove extra field number
.Ar extra_index
of type
.Ar extra_id
from archive entry
.Ar index
using
.Ar flags .
.It Cm get_archive_comment
Print archive comment.
.It Cm get_extra Ar index extra_index flags
Print extra field
.Ar extra_index
for archive entry
.Ar index
using
.Ar flags .
.It Cm get_extra_by_id Ar index extra_id extra_index flags
Print extra field
.Ar extra_index
of type
.Ar extra_id
for archive entry
.Ar index
using
.Ar flags .
.It Cm get_file_comment Ar index
Get file comment for archive entry
.Ar index .
.It Cm get_num_entries Ar flags
Print number of entries in archive using
.Ar flags .
.It Cm name_locate Ar name flags
Find entry in archive with the filename
.Ar name
using
.Ar flags
and print its index.
.It Cm rename Ar index name
Rename archive entry
.Ar index
to
.Ar name .
.It Cm replace_file_contents Ar index data
Replace file contents for archive entry
.Ar index
with the string
.Ar data .
.It Cm set_archive_comment Ar comment
Set archive comment to
.Ar comment .
.It Cm set_extra Ar index extra_id extra_index flags value
Set extra field number
.Ar extra_index
of type
.Ar extra_id
for archive entry
.Ar index
using
.Ar flags
to
.Ar value .
.It Cm set_file_comment Ar index comment
Set file comment for archive entry
.Ar index
to string
.Ar comment .
.It Cm set_file_compression Ar index method compression_flags
Set file compression method for archive entry
.Ar index
to
.Ar method
using
.Ar compression_flags .
.Em Note :
Currently,
.Ar compression_flags
are ignored.
.It Cm set_file_encryption Ar index method password
Set file encryption method for archive entry
.Ar index
to
.Ar method
with password
.Ar password .
.It Cm set_file_mtime Ar index timestamp
Set file modification time for archive entry
.Ar index
to UNIX mtime
.Ar timestamp .
.It Cm set_file_mtime_all Ar timestamp
Set file modification time for all archive entries to UNIX mtime
.Ar timestamp .
.It Cm set_password Ar password
Set default password for encryption/decryption to
.Ar password .
.It Cm stat Ar index
Print information about archive entry
.Ar index .
.It Cm unchange_all
Revert all changes up to that point.
Mostly useful for testing.
.It Cm zin_close Ar index
Close input zip_source
.Ar index .
For internal tests only.
.El
.Ss Flags
Some commands take flag arguments.
Supported flags are:
.Bl -tag -width MMM -compact -offset indent
.It Ar C
.Dv ZIP_FL_NOCASE
.It Ar c
.Dv ZIP_FL_CENTRAL
.It Ar d
.Dv ZIP_FL_NODIR
.It Ar l
.Dv ZIP_FL_LOCAL
.It Ar u
.Dv ZIP_FL_UNCHANGED
.El
.Ss Compression Methods
Some commands take compression method arguments.
Supported methods are:
.Bl -bullet -compact -offset indent
.It
.Dv default
.It
.Dv deflate
.It
.Dv store
.El
.Ss Encryption Methods
Some commands take encryption method arguments.
Supported methods are:
.Bl -bullet -compact -offset indent
.It
.Dv none
.It
.Dv AES-128
.It
.Dv AES-192
.It
.Dv AES-256
.El
.Sh EXIT STATUS
.Ex -std
.Sh EXAMPLES
Add a file called
.Pa teststring.txt
to the zip archive
.Pa testbuffer.zip
with data
.Dq This is a test.\en
where
.Dq \en
is replaced with a newline character:
.Bd -literal -offset indent
ziptool testbuffer.zip add teststring.txt \\"This is a test.\en\\"
.Ed
.Pp
Delete the first file from the zip archive
.Pa testfile.zip :
.Bd -literal -offset indent
ziptool testfile.zip delete 0
.Ed
.Sh SEE ALSO
.Xr zipcmp 1 ,
.Xr zipmerge 1 ,
.Xr libzip 3
.Sh AUTHORS
.An -nosplit
.An Dieter Baron Aq Mt dillo@nih.at
and
.An Thomas Klausner Aq Mt tk@giga.or.at