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List:       busybox
Subject:    Fwd: Re: unzip applet not working ?
From:       Doug Clapp <doug.clapp () triad ! rr ! com>
Date:       2012-06-15 3:34:24
Message-ID: 4FDAAD40.4040006 () triad ! rr ! com
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-------- Original Message --------
Subject:     Re: unzip applet not working ?
Date:     Wed, 13 Jun 2012 13:34:41 -0400
From:     Doug Clapp <doug.clapp@triad.rr.com>
Reply-To:     doug.clapp1970@alumni.unc.edu
To:     busybox <busybox@busybox.net>



Denys Vlasenko wrote:
> On Tue, Jun 12, 2012 at 11:22  PM, John Spencer
 > <maillist-busybox@barfooze.de> wrote:
 >> whatever option i pass to unzip, it only shows me the usage...
 > Cannot reproduce:
 >
 > I removed CONFIG_EXTRA_CFLAGS="-D__musl__ -static" from your .config,
 > build 1.20.1 and resulting busybox does work for me:
 >
 > $ ./busybox unzip cyassl-2.2.0.zip Archive: cyassl-2.2.0.zip
 > creating: cyassl-2.2.0/ inflating: cyassl-2.2.0/aclocal.m4 inflating:
 > cyassl-2.2.0/AUTHORS creating: cyassl-2.2.0/certs/ inflating:
 > cyassl-2.2.0/certs/ca-cert.pem inflating:
 > cyassl-2.2.0/certs/ca-key.der inflating:
 > cyassl-2.2.0/certs/ca-key.pem inflating:
 > cyassl-2.2.0/certs/client-cert.der inflating:
 > cyassl-2.2.0/certs/client-cert.pem inflating:
 > cyassl-2.2.0/certs/client-ecc-cert.pem .... .... inflating:
 > cyassl-2.2.0/testsuite/include.am inflating:
 > cyassl-2.2.0/testsuite/testsuite-ntru.vcproj inflating:
 > cyassl-2.2.0/testsuite/testsuite.c inflating:
 > cyassl-2.2.0/testsuite/testsuite.sln inflating:
 > cyassl-2.2.0/testsuite/testsuite.vcproj
 >
 >
 > Try not setting CONFIG_EXTRA_CFLAGS.
 >
I think the complaint was that options did not work, not that the unzip
function did not work. I tested various options with mixed results. With
no options, unzip worked. Options that worked were -l, -p, -n, -o, -q.
Options that failed and gave the help text were: -x, -d. Option -v is in
the source code and works but is not in the usage text.

# busybox unzip -d burn burncdcc.zip
BusyBox v1.20.0.git (2011-09-29 11:36:21 EDT) multi-call binary.

Usage: unzip [-opts[modifiers]] FILE[.zip] [LIST] [-x XLIST] [-d DIR]

Extract files from ZIP archives

-l List archive contents (with -q for short form)
-n Never overwrite files (default)
-o Overwrite
-p Send output to stdout
-q Quiet
-x XLST Exclude these files
-d DIR Extract files into DIR

# busybox unzip -x BURNCDCC.EXE burncdcc.zip
BusyBox v1.20.0.git (2011-09-29 11:36:21 EDT) multi-call binary.

Usage: unzip [-opts[modifiers]] FILE[.zip] [LIST] [-x XLIST] [-d DIR]

Extract files from ZIP archives

-l List archive contents (with -q for short form)
-n Never overwrite files (default)
-o Overwrite
-p Send output to stdout
-q Quiet
-x XLST Exclude these files
-d DIR Extract files into DIR

The -x and -d options are not handled the same way by the switch
statement as the others.

Doug Clapp

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It appears I spoke too soon (when in doubt, read the directions)!

After I sent the above test results, I looked again at the usage message 
and realized the -x and -d options come after the  zip file (and 
possibly after a list of files to be extracted).  When I reran tests on 
that basis, I could not make it fail.

There is still an undocumented option, -v for verbose list.

Doug Clapp


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