Re: feature request: file_not_found_handle()

[Chet Ramey]

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    chet@case.edu    http://cnswww.cns.cwru.edu/~chet/