On Mon, Sep 03, 2001 at 02:04:43AM -0400, Don Hammond wrote:
Portability. Excluding differences between versions, a pure procmail
recipe that works on one machine will work on another. There's no
guarantee that each external program you use today will be installed on
every system you might move to tomorrow. You may not think that's a
consideration, but if it does become one you'll wish you had thought
differently. In practice, since we're talking about echo and sed here,
that's probably not a big deal either. Although, differences between
usage of the "same" utilities on different systems can be significant,
so you still might be surprised.
I'll add two points to that:
Even if the binary you're calling IS on both systems, it's path may be
different (sendmail on Linux (/usr/sbin/sendmail) v. Solaris
(/usr/lib/sendmail), for instance) And even if you think everything is in your
$PATH, wait until you change systems... (Ever tried to find a binary that
wasn't in your $PATH, on Irix?)
--
Andrew Edelstein - andrew(_at_)pure-chaos(_dot_)com
http://andrew.pure-chaos.com
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