Path: utzoo!mnetor!uunet!lll-winken!lll-lcc!ames!mailrus!tut.cis.ohio-state.edu!ut-sally!utastro!bigtex!james
From: james@bigtex.UUCP (James Van Artsdalen)
Newsgroups: comp.unix.xenix
Subject: Re: trouble with expr
Message-ID: <897@bigtex.UUCP>
Date: 4 Mar 88 20:45:21 GMT
References: <717@yabbie.rmit.oz>
Organization: F.B.N. Software, Austin TX
Lines: 21
Keywords: expr,sco xenix,bug(?)

In article <717@yabbie.rmit.oz>, radjg@yabbie.rmit.oz (Jordan Green) writes:
> I have been trying to use expr(C) to do some integer manipulation and find
> that I cannot get the multiplication to work.

> expr 2 * 3

> simply returns
> 2 * 3

I'll bet you're entering

$ expr "2 * 3"

instead of

$ expr 2 "*" 3

The first sees the single argument as a string, whereas the second sees
three arguments and an arithmetic expression.
-- 
James R. Van Artsdalen    ...!uunet!utastro!bigtex!james     "Live Free or Die"
Home: 512-346-2444 Work: 328-0282; 110 Wild Basin Rd. Ste #230, Austin TX 78746