On 25 March 2011 12:27, erik quanstrom <quans...@quanstro.net> wrote:
>> I read that as allowing the shell to run programs that the kernel would
>> reject.  I eventually understood it to mean that you can hide programs
>> where only the shell will find them.  Is the current directory one of
>> those places, I wonder?  I'm reluctant to figure it out for myself -
>> long day.
>
> try this:
>
>        cd $home/tmp
>        cat > diff
>        #!/bin/rc
>        echo hi!
>        <EOT>
>        chmod a+x diff
>        history -D $somefile
>        diff $somefile `{yesterday $somefile}
>

i always set $path to (/bin .)
it can be much faster, apart from anything else.

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