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Re: feature request: file_not_found_handle()


From: Andreas Gregor Frank
Subject: Re: feature request: file_not_found_handle()
Date: Mon, 19 Aug 2013 22:29:09 +0200

Hi Chet,

sorry, i thought you talk about the bash code.
I didn't want to show my own usecase but now i have to ;-):
I have a File class and can construct a File "object" for example:
File anObjectName /etc/passwd
and then i can do
e.g. anObjectName.getInode (this already works with
command_not_found_handle() )
But if i do a:
File /etc/passwd /etc/passwd
and then
/etc/passwd.getInode (i think it would be nice if the normal files in a
filesystem could be treated like objects)
then there is nothing that triggers the command_not_found_handle() to split
"object" and method...
So at the moment slashes are forbidden in object names in my fun project.

Now you know why your bash example for ckexec() isn't a solution for me.

bye
Andreas


2013/8/19 Chet Ramey <address@hidden>

> On 8/19/13 6:57 AM, Andreas Gregor Frank wrote:
> > Hi Chet,
> >
> > I have no idea if there is "enough" demand, but i think there will be
> some
> > ideas to use this feature...
> > I still think it is a question of consistency to be able to handle a "No
> > such file or directory event", if i can do this with a "command not found
> > event" (independent of the command_not_found_handle history).
> >
> > You say you can easily test whether or not if the file in the pathname
> exists.
>
> That is not what I said.  I said that you, the script writer, can check
> whether or not a filename containing a slash is executable before
> attempting to execute it.  Maybe a function something like this (untested):
>
> ckexec()
> {
>         case "$1" in
>         */*)    ;;
>         *)      "$@"  ; return $? ;;
>         esac
>
>         if [ -x "$1" ]; then
>                 "$@"
>         else
>                 other-prog "$@"
>         fi
> }
>
>
> Chet
> --
> ``The lyf so short, the craft so long to lerne.'' - Chaucer
>                  ``Ars longa, vita brevis'' - Hippocrates
> Chet Ramey, ITS, CWRU    address@hidden
> http://cnswww.cns.cwru.edu/~chet/
>


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