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Message-ID: <3CAA8F31.7040406@ece.gatech.edu>
Date: Wed, 03 Apr 2002 00:12:17 -0500
From: Charles Wilson <cwilson AT ece DOT gatech DOT edu>
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To: Alan Dobkin <Alan AT adobkin DOT net>
CC: Cygwin <Cygwin AT cygwin DOT com>
Subject: Re: NcFTP Feature Request for "getline" (fwd)
References: <3CAA6462 DOT 3020703 AT ece DOT gatech DOT edu> <2523706307.1017786727@[192.168.70.5]>
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The interesting thing is, as of 3.1.2 and 3.1.3, cygwin ncftp uses the 
readline library for terminal handling -- just like bash does.  Prior to 
3.1.2, cygwin ncftp used the home-grown termhandling stuff internal to 
the ncftp codebase.  You'd think that would be an improvement -- and 
that it would work the same as bash.

The way readline works, you call rl_completion_matches() and it returns 
a different match each time you call it -- internally, it calls a custom 
  'completion generator function' whose address you store in the 
function pointer rl_completion_entry_function (if NULL, readline uses a 
default file iterator).  Perhaps the completion generator function that 
ncftp stores in rl_completion_entry_function is buggy?

Anyway, as of yesterday I'm not maintaining ncftp anymore -- Hack 
Kampbjørn has agreed to take over.  However, I'm not going anywhere -- 
and this IS a community project...

all together now:

patches gratefully accepted. :-)

--Chuck

Alan Dobkin wrote:

> Charles,
> 
> Thanks for taking the time to respond to this issue, 
> but it seems you may have missed my original message 
> (which was attached to the one you responded to and 
> is also included below).  I am aware that quotes can 
> be used as a workaround to this problem - but IMO, 
> The Right Thing To Do is to have the quotes inserted 
> automatically.  This is also not a matter of Unix vs. 
> Windows behavior, as both Unix and Windows properly 
> deal with spaces in file names during tab completion.
> 
> In Windows 2000 (with tab completion enabled in cmd):
> 
> C:\>cd prog<TAB> --> 
> C:\>cd "Program Files"
> 
> In bash (using Cygwin or RedHat Linux):
> 
> $ cd /cygdrive/C/Prog<TAB> --> 
> $ cd /cygdrive/C/Program\ Files/
> 
> Now, regarding the new bug I was reporting specifically 
> in the Cygwin version of NcFTP, you can reproduce it by 
> creating a bookmark list containing *only* the two I 
> mentioned, i.e. "RedHat Linux" and "RedHat Updates", or 
> any other bookmarks that begin with the same word.  The 
> reason your scenario didn't duplicate the bug is because 
> you had a third bookmark that started differently.
> 
> Incidentally, backslash can't be used to escape the space 
> either as it works in bash.  It has to be enclosed in quotes.
> 
> Using spaces in bookmarks may be silly, but I'm sure I'm 
> not the first person to try it and expect it to work, 
> since spaces are valid characters in most filesystems as 
> file names and are permitted as bookmark names in NcFTP.
> 
> Thanks,
> Alan
> 
> --On Tuesday, April 02, 2002 9:09 PM -0500 Charles Wilson
> <cwilson AT ece DOT gatech DOT edu> wrote:
> 
> 
>>I can't reproduce this the way you see it.  OTOH, I understand 
>>your problem, and the short answer is:  use " character.
>>
>>ncftp> open "R<tab> U<tab>
>>
>>should do what you want.
>>
>>On cygwin, using rxvt (TERM=rxvt) or dosbox (TERM=cygwin), I get:
>>
>>ncftp> open <TAB>
>>neuro    rcn
>>ncftp> open
>>
>>two tabs, and I get
>>
>>ncftp> open <TAB> <TAB>
>>neuro    rcn
>>ncftp> open  (e.g. the second tab is interpreted here)
>>neuro    rcn
>>ncftp> open
>>
>>likewise, when I do something as (IMO) silly as having multi-word
>>bookmark names, in both environments I get
>>
>>ncftp> open <TAB>
>>neuro one  neuro two  rcn  (lists all three bkmks)
>>ncftp> open n<TAB>
>>neuro one  neuro two       (lists two bookmarks, autocompletes 'euro '
>>ncftp> open neuro<TAB>
>>neuro one  neuro two  rcn  (thinks that 'open neuro ' is two words, and
>>                             tries to autocomplete an entirely new
>>                             word -- so it re-lists all three bkmks)
>>
>>If I try to help, by typing the 'o' for 'neuro one', it doesn't help --
>>it tries to match on words beginning with 'o' and since I have no bkmks
>>that begin with 'o' -- no match.
>>
>>ncftp> open neuro o<TAB>
>>ncftp> open neuro o
>>
>>This is The Right Thing To Do, IMO.  Very unixy.  Now, if I do THIS:
>>
>>ncftp> open "neuro <TAB>
>>neuro one    neuro two
>>
>>Then, I help by adding an 'o':
>>
>>ncftp> open "neuro o<TAB>  (it autocompletes!  'ne"')
>>
>>ncftp> open "neuro one"
>>
>>Again, The Right Thing To Do.  Remember, cygwin ain't windows.
>>
>>--Chuck
>>
>>Alan Dobkin wrote:
>>
>>
>>>I am resending the attached request as it still applies 
>>>to NcFTP 3.1.3.  I am copying the Cygwin list, because 
>>>I've noticed a related bug in the current Cygwin version.
>>>
>>>Consider an example with only the following two bookmarks:
>>>
>>>RedHat Linux   --> FTP.RedHat.Com
>>>RedHat Updates --> Updates.RedHat.Com
>>>
>>>With the non-Cygwin Win32 version, tab completion 
>>>displays the bookmark list with only the second words:
>>>
>>>ncftp> open <TAB><TAB>
>>>    Linux    Updates
>>>
>>>However, with the Cygwin version, tab completion repeats 
>>>the first word each time without displaying the list:
>>>
>>>ncftp> open <TAB>
>>>ncftp> open RedHat <TAB>
>>>ncftp> open RedHat RedHat <TAB>
>>>ncftp> open RedHat RedHat RedHat <TAB>
>>>
>>>Unfortunately, I am not able to contribute any patches 
>>>myself, but hopefully this will not be a difficult fix 
>>>for someone who is already familiar with the source code.
>>>
>>>Thanks,
>>>Alan
>>>
>>>
>>>------------------------------------------------------------------------
>>>
>>>Subject:
>>>
>>>NcFTP Feature Request for "getline"
>>>From:
>>>
>>>Alan Dobkin <Alan AT ADobkin DOT Net>
>>>Date:
>>>
>>>Sun, 04 Nov 2001 20:14:09 -0500
>>>To:
>>>
>>>NcFTP <NcFTP AT NcFTP DOT Com>
>>>
>>>
>>>Please consider the following enhancement to "getline" tab 
>>>completion.  When using the open command with tab to list 
>>>the matching bookmarks, getline should enclose the string 
>>>in quotes if it contains spaces.  Consider this example:
>>>
>>>ncftp> open <TAB>RedHat Linux
>>>Resolving RedHat...
>>>
>>>Unknown host "RedHat".
>>>ncftp> open "RedHat Linux" (quotes inserted manually)
>>>Resolving FTP.RedHat.Com...
>>>Connecting to 63.240.14.63...
>>>
>>>Red Hat FTP server ready. All transfers are logged.
>>>Logging in...
>>>
>>>Login successful. Have fun.
>>>
>>>Automatically inserting quotes like this appears to be 
>>>standard behavior in most UNIX shells and Windows 2000.
>>>
>>>Thanks,
>>>Alan
>>>



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