Path: utzoo!yunexus!geac!syntron!jtsv16!uunet!super!udel!gatech!bloom-beacon!tut.cis.ohio-state.edu!mailrus!ames!pasteur!ucbvax!hplabs!hp-pcd!hpcvca!charles
From: charles@hpcvca.HP.COM (Charles Brown)
Newsgroups: comp.sys.amiga
Subject: Re: Yea, but can an Amiga Shell do this....
Message-ID: <5660004@hpcvca.HP.COM>
Date: 12 Aug 88 18:52:48 GMT
Article-I.D.: hpcvca.5660004
References: <2213@ihlpm.ATT.COM>
Organization: Hewlett-Packard Co., Corvallis, Oregon
Lines: 23

> I havent seen a shell (yet) that will allow the 'backtick'. But it should be
> able to be done with pipes (or was that mirrors.. Hmm..). Of course a pipe
> device is included FREE with AmigaDOS V1.3 - at a store near you RSN.
>>		> where ls
>>		> /bin/ls
>>		> file /bin/ls
>>or I could type:
>>		> file `where ls`
>  1> where >pipe:1 ls
>  1> file <pipe:1
>>	This space would have been	|	Mike Davis
> Dan "Sneakers" Schein     {alegra|amiga|rutgers|uunet}!cbmvax!heimat!sneakers

This is not the same.  In the case of
	file `where ls`
file is getting its arguments from the command line.  In the case
	file <pipe:1
file must accept its arguments from stdin.  Few programs behave the
same way when given inputs in such different ways.  Backticks are very
difficult to fake.
--
Charles Brown
	Not representing Hewlett-Packard.