Douglas Moyes wrote:
> I nearly brought down a server today.
>
> # alias d="perl-script "
> ....
>
> # d() {
> # perl-script $1 |grep something|cut -d ' ' -f 3
> # }
> # d something
> ..... ..... .... CRASH
>
> turns out bash went into a loop calling d over and over again, which
> resulted in thousands of grep, bash, and -d processes being executed. It
> wasn't pretty.
You defined `perl-script' as a recursive function (alias expansion is
performed when a function is defined) and called it. I'm not surprised
at the result.
Chet
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU [email protected] http://cnswww.cns.cwru.edu/~chet/
