Re: Midnight Commander /tmp race

[peak () kerberos troja mff cuni cz (Pavel Kankovsky)]

On Sun, 15 Mar 1998, Michal Zalewski wrote:

> Midnight Commander (I have version 4.1.8, RedHat 5.0) is launched using
> the following shell macro:
>
> mc=()
> {
>     MC=/tmp/mc$$-"$RANDOM";
>     /usr/bin/mc -P "$@" >"$MC";
>     cd "`cat $MC`";
>     rm "$MC";
>     unset MC
> }
>
> Solution? Use mktemp: MC=`mktemp mc$$-XXXXXX` instead of $RANDOM :)))

Solution? Don't use any temporary file at all.

mc()
{
        MC=`/usr/bin/mc -P "$@"`
        [ -n "$MC" ] && cd $MC
        unset MC
}

The function is from mcfn_install script. The alias in lib/mc.csh is
similar. But lib/mc.sh is the aformentioned lame one. It's absurd.

--Pavel Kankovsky aka Peak   [ Boycott Microsoft -- http://www.vcnet.com/bms ]