Path: utzoo!attcan!uunet!decwrl!ucbvax!iwarp.intel.com!news
From: merlyn@iwarp.intel.com (Randal Schwartz)
Newsgroups: comp.unix.wizards
Subject: Re: nested loops
Message-ID: <1990Aug13.180721.8631@iwarp.intel.com>
Date: 13 Aug 90 18:07:21 GMT
References: <4103@herbie.misemi> <1990Aug12.030137.19989@uncle.uucp>
Sender: news@iwarp.intel.com
Reply-To: merlyn@iwarp.intel.com (Randal Schwartz)
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Organization: Stonehenge; netaccess via Intel, Beaverton, Oregon, USA
Lines: 17
In-Reply-To: donlash@uncle.uucp (Donald Lashomb)

In article <1990Aug12.030137.19989@uncle.uucp>, donlash@uncle (Donald Lashomb) writes:
| Try using an eval like this:  eval $`echo $i`
| eval causes the shell to "double-scan" the line,
| thereby picking up and evaluating the ${this/that/whatever}
| as a variable.

Please don't use `echo $i`, as it is equivalent to $i for all plain
values of $i, and forks an extra process or two on BourneShellClassic.
As I said in an earlier post, eval echo \$$i does pretty much what you
wanted in this case.

Just another Bourne Shell hacker,
-- 
/=Randal L. Schwartz, Stonehenge Consulting Services (503)777-0095 ==========\
| on contract to Intel's iWarp project, Beaverton, Oregon, USA, Sol III      |
| merlyn@iwarp.intel.com ...!any-MX-mailer-like-uunet!iwarp.intel.com!merlyn |
\=Cute Quote: "Welcome to Portland, Oregon, home of the California Raisins!"=/