Date: Wed, 6 Feb 2002 13:47:24 +0100 From: messmate <messmate@free.fr> To: freebsd-questions-en <freebsd-questions@FreeBSD.org> Subject: Re: Stupid sh(1) question Message-ID: <20020206134724.4d8fa6a7.messmate@free.fr> In-Reply-To: <20020206115755.GA8768@teddy.fas.com> References: <20020204154923.GA4312@rhadamanth> <a3merr$1biv$1@kemoauc.mips.inka.de> <20020206115755.GA8768@teddy.fas.com>
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Bash do it : (if your shell is the Bourne Shell)
#!/bin/bash
area[11]=23
area[13]=37
area[51]=UFOs
# Array members need not be consecutive or contiguous.
# Some members of the array can be left uninitialized.
# Gaps in the array are o.k.
echo -n "area[11] = "
echo ${area[11]} # {curly brackets} needed
echo -n "area[13] = "
echo ${area[13]}
echo "Contents of area[51] are ${area[51]}."
# Contents of uninitialized array variable print blank.
echo -n "area[43] = "
echo ${area[43]}
echo "(area[43] unassigned)"
echo
# Sum of two array variables assigned to third
area[5]=`expr ${area[11]} + ${area[13]}`
echo "area[5] = area[11] + area[13]"
echo -n "area[5] = "
echo ${area[5]}
area[6]=`expr ${area[11]} + ${area[51]}`
echo "area[6] = area[11] + area[51]"
echo -n "area[6] = "
echo ${area[6]}
# This fails because adding an integer to a string is not permitted.
echo; echo; echo
# etc.....
mess-mate
On Wed, 6 Feb 2002 06:57:55 -0500
stan <stanb@awod.com> wrote:
| On Mon, Feb 04, 2002 at 05:02:51PM +0000, Christian Weisgerber wrote:
| > Ceri <setantae@submonkey.net> wrote:
| >
| > > Now, I _have_ read the manpage, but I cannot work out :
| > > a) How to initialise an array in sh
| > > b) How to access an array in sh.
| >
| > sh doesn't support arrays.
| >
| ksh, however does.
|
| --
| "They that would give up essential liberty for temporary safety deserve
| neither liberty nor safety."
| -- Benjamin Franklin
|
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