Jivin Mike Frysinger lays it down ...
> This adds support for two new options (-E/-O) which complement the
> existing -e/-o options by providing negative versions of them. For example,
> while -e VAR means "only do stuff when VAR is set to y", -E var means "only do
> stuff when VAR is not set to y". This is useful when you want to install a
> configuration file or make a configuration file tweak when a conflicting
> option is not defined by the user.
>
> This patch may not apply cleanly without the -M patch, but that's only because
> they touch pieces of code close to each other ... they don't actually rely on
> each other.
>
> Signed-off-by: Mike Frysinger <[EMAIL PROTECTED]>
applied,
Thanks,
Davidm
> --- romfs-inst.sh (revision 5999)
> +++ romfs-inst.sh (revision 6000)
> @@ -16,7 +16,9 @@ cat << !EOF >&2
> $0: [options] [src] dst
> -v : output actions performed.
> -e env-var : only take action if env-var is set to "y".
> + -E env-var : only take action if env-var is not set to "y".
> -o option : only take action if option is set to "y".
> + -O option : only take action if option is not set to "y".
> -p perms : chmod style permissions for dst.
> -d : make dst directory if it doesn't exist
> -S : don't strip after installing
> @@ -143,6 +145,7 @@ fi
>
> v=
> option=y
> +noption=
> pattern=
> perm=
> func=file_copy
> @@ -152,7 +155,7 @@ dst=
> strip=1
> kernmod=
>
> -while getopts 'dSMve:o:A:p:a:l:s:' opt "$@"
> +while getopts 'dSMve:E:o:O:A:p:a:l:s:' opt "$@"
> do
> case "$opt" in
> v) v="1"; ;;
> @@ -160,7 +163,9 @@ do
> S) strip=; ;;
> M) kernmod="1"; ;;
> o) option="$OPTARG"; ;;
> + O) noption="$OPTARG"; ;;
> e) eval option=\"\$$OPTARG\"; ;;
> + E) eval noption=\"\$$OPTARG\"; ;;
> p) perm="$OPTARG"; ;;
> a) src="$OPTARG"; func=file_append; ;;
> A) pattern="$OPTARG"; ;;
> @@ -180,6 +185,18 @@ do
> exit 0
> ;;
> esac
> +
> +#
> +# process negative options here to get an ANDing effect
> +#
> + case "${noption:-n}" in
> + *[nN]*) # this gives OR effect, ie., yNy
> + ;;
> + *)
> + [ "$v" ] && echo "Condition not satisfied."
> + exit 0
> + ;;
> + esac
> done
>
> shift `expr $OPTIND - 1`
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--
David McCullough, [EMAIL PROTECTED], Ph:+61 734352815
Secure Computing - SnapGear http://www.uCdot.org http://www.cyberguard.com
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