Date: Mon, 9 Aug 2004 07:20:17 +0900 From: horio shoichi <bugsgrief@bugsgrief.net> To: "Hakim Z. Singhji" <hakim.singhji@earthlink.net> Cc: David Fleck <david.fleck@mchsi.com> Subject: Re: Help Debugging Kshell Script??? Message-ID: <20040808.222017.0044ba5c0a5e67e2.10.0.3.20@bugsgrief.net> In-Reply-To: <4116489D.2010905@earthlink.net> References: <411318A8.4080100@earthlink.net> <20040806161222.O275@grond.sourballs.org> <4115842C.2090907@earthlink.net> <20040808072043.S10021@grond.sourballs.org> <4116489D.2010905@earthlink.net>
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On Sun, 08 Aug 2004 11:37:01 -0400
"Hakim Z. Singhji" <hakim.singhji@earthlink.net> wrote:
> do
> # Use the bc utility in a here document to calculate the percentage of
> # free and used swap space
>
> PERCENT_USED=$(bc <<EOF
> scale=4
> ($SW_USED / $SW_TOTAL) * 100
> EOF
> )
>
> PERCENT_FREE=$(bc <<EOF
> scale=4
> ($SW_FREE / $SW_TOTAL) * 100
> EOF
> )
> ##########################################################################
Which ksh are you running (/usr/local/bin/ksh{,93)) ?
If you are really new to this sort of things, test them interactively
with 'set -ux' options.
horio shoichi
BTW., it gave me a thing like this on 4.9-STABLE with /usr/local/bin/ksh.
% ksh
$ SW_USED=1
$ SW_TOTAL=3
$ PERCENT_USED=$(bc <<EOF
> scale=4
> ($SW_USED / $SW_TOTAL) * 100
> EOF
> )
$ echo $PERCENT_USED
33.3300
$ ^D
%
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