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Re: _unace
- X-seq: zsh-workers 20923
- From: Oliver Kiddle <okiddle@xxxxxxxxxxx>
- To: Henryk Konsek <hak8@xxxxx>
- Subject: Re: _unace
- Date: Thu, 03 Mar 2005 14:36:23 +0100
- Cc: zsh-workers@xxxxxxxxxx
- In-reply-to: <200503022019.52992.hak8@xxxxx>
- Mailing-list: contact zsh-workers-help@xxxxxxxxxx; run by ezmlm
- References: <200503022019.52992.hak8@xxxxx>
Henryk Konsek wrote:
> I've written completion file for the unace command. Its syntax is very
Thanks for this.
> similar to the unrar command so I've used part of _rar as a pattern while
> creating it. This is my first completion file so I would be grateful for any
> comments.
I'll put a few comments below.
> if (( CURRENT == 2)); then
You can actually do this from _arguments directly which has the
advantage that it will then complete unace commands after any switches.
You do this by starting an _arguments specification with a number. For
example:
'1:unace command:((e\:extract\ files l\:list\ archive))'
The final component of that lets you specify what to complete. The
syntax above with the descriptions is similar in effect to your use of
_values.
> '-c\ [Show comments]' \
What is the `\ ' in there for?
> '-p\<password>[Set <password>]' \
If a password is defined after the -p switch, you can use this:
'-p[specify password]:password' \
It then knows to prompt for a password to be completed after -p. If the
password should be imediately after the `-p' (as with unace) then use a
`+':
'-p+[specify password]:password' \
> '*:files:_files -g \*.rar\(-.\)\' \
Don't you mean to complete .ace files instead of .rar?
Also, looking at the output of unace -h, there is also a -x option for
excluding files. It also looks like it should actually complete archive
(.ace) files in the second argument position only and then complete
files from within the archive. _zip does something similar if you want
to have a look.
Also from the unace -h output, it looks like the options need a trailing
`-' or `+' to indicate enabled or disabled. It says:
<Switches> (default)
c[-] Show comments (+)
f[-] Full path matching (-)
o[-] Overwrite files (-)
Can the defaults be changed? If not, we could just use something like:
'-c\-[show comments]' \
'-f\+[full path matching]' \
If the defaults are configurable, we may need:
'-c+[show comments]:enable:(- +)' \
Or have I misunderstood the output of unace -h?
I've attached an updated version of _unace. I've not actually got any
.ace files to test it on so you can still improve it in some of the ways
I've mentioned.
Oliver
#compdef unace
_arguments -S \
'-c[show comments]' \
'-f[full path matching]' \
'-o[overwrite files]' \
'-p+[specify password]:password' \
'-y[assume yes on all queries]' \
'-x+[specify files to exclude]:files' \
'-h[print help information]' \
'1:unace command:((
e\:extract\ files
l\:list\ archive
t\:test\ archive\ integrity
v\:list\ archive\ \(verbose\)
x\:extract\ files\ with\ full\ path
))' \
'*:files:_files -g "*.ace(-.)"'
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