[wellylug] BASH scripting help required

Jamie Dobbs jamie.dobbs at nzpa.co.nz
Fri May 7 11:31:51 NZST 2004


True, Perl would be one way to do it, but not an option in this case.

-----Original Message-----
From: David Antliff [mailto:dave.antliff at paradise.net.nz]
Sent: Friday, 7 May 2004 11:29 a.m.
To: wellylug at lists.naos.co.nz
Subject: Re: [wellylug] BASH scripting help required


On Fri, 7 May 2004, Jamie Dobbs wrote:

> I have a script that does some file manipulation then sends a file
out of
> the serial port.
> Each file is reference as $file (via a for 'file in <filespec>'
type setup).
> What I need to do is to be able to test on the first character of
the
> filename and process something accordingly - ie. if the first
character is
> 'L' then do one thing, if it is 'P' do another etc. My skills at
string
> manipulation in Unix/BASH are terrible (at best) and I wonder if
someone
> caqn give me some pointers on how to do this.

Sounds like the perfect excuse to learn some basic Perl :)

One (of many) ways to do this is:

if ($file =~ /^L/) {
  ...
} elsif ($file =~ /^P/) {
  ...
}

Perl is *really* good at string manipulation.

Cheers,
David.


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