Bash: Variable type confusion
Joel Hammer
Joel
Mon May 17 11:39:08 PDT 2004
What version of bash are you using?
I have having a lot of trouble with variable typing.
My version of bash is:
GNU bash, version 2.04.0(1)-release (i686-pc-linux-gnu)
Copyright 1999 Free Software Foundation, Inc.
Joel
On Sun, Oct 20, 2002 at 02:23:16PM -0700, Net Llama! wrote:
> On 10/20/02 13:53, Joel Hammer wrote:
>
> > I have always thought that bash does the right thing when it evaluates
> > variables.
> > Until today.
> > This bit of script works as expected:
> > k=0
> > for i in `dir -1 *jpg`
> > do
> > k=$((k+1))
> > echo $k
> > done
> >
> > It prints out the numbers from 1 to whatever the number of jpg's in the
> > directory.
> >
> > However, this fails:
> > k=0
> > for i in `dir -1 *jpg`
> > do
> > k=$((k+1))
> > [ "$k" -eq 10 ] && k=x <---The problem.
> > echo $k
> > done
>
> Both of these work the same for me, using bash.
>
> --
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> L. Friedman netllama at linux-sxs.org
> Linux Step-by-step & TyGeMo: http://netllama.ipfox.com
>
> 2:20pm up 8 days, 2:38, 1 user, load average: 0.11, 0.40, 0.41
>
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