Re: Shell Scripts
I think that taste in scripting languages is an interesting topic for
discussion, I'm not looking to be converted. I use bash when it is
expedient. For some simple scripts, tcsh or csh are very useful and
quick. I don't see why the operating system should want to make those
decisions for me.
Art Edwards
On Sun, Apr 24, 2005 at 06:03:08PM -0400, Gregory Seidman wrote:
> On Sun, Apr 24, 2005 at 05:53:36PM -0400, Sean Davis wrote:
> } On Sun, Apr 24, 2005 at 05:45:28PM -0400, Gregory Seidman wrote:
> } > On Sun, Apr 24, 2005 at 02:30:19PM -0600, Art Edwards wrote:
> } > } I'm trying to run a shell script with tcsh (my default shell is tcsh).
> } > } My first line of the script is
> } > }
> } > } #!/bin/tcsh
> } > }
> } > } However, the shell seems to be running in the bourne shell (sh). I say
> } > } this because I can't get the shell to source my .cshrc file and the ls
> } > } command gives the same result as I get inside sh.
> } > }
> } > } What am I doing wrong?
> } >
> } > The first thing you are doing wrong is attempting to script in csh (or
> } > tcsh). Please use Google to find "csh considered harmful" and read it.
> }
> } While I do agree that scripting in csh/tcsh is horrid compared to
> } bash/pdksh/ksh/sh, I don't think the "harmful" diagnosis is quite correct.
> } Suboptimal, yes. Counterintuitive, most definetly. Harmful implies that it
> } actually causes harm, which it doesn't, unless you count the bruise you get
> } from banging your head on your desk trying to get {,t}csh to do what you
> } want.
>
> It is Tom Christiansen who makes the claim that it is harmful. I consider
> his explanation of what is wrong with csh to be the best expression out
> there of why one should not use (t)csh for scripting, so I point people to
> it. Whether (t)csh scripting is actually harmful is a different story. It
> is definitely, as you say, suboptimal and counterintuitive and I think
> Tom's essay makes that point very well. You may feel free to argue that he
> should not have used "harmful" in his title, but "csh considered harmful"
> is unquestionably the right phrase to use on Google to find the essay I
> intended the OP to read.
>
> --Greg
>
>
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