Don't print anything about LAN mirror if it is not used.
Don't re-compute a variable that has already been computed.

/trunk/scripts/functions | 16 9 7 0 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)

#!/bin/sh

SKIP_ME="### CT_NG SKIP ME ###"

skip_me=$(($(cat "${0}" |grep --binary-files=text -o -b -E "^${SKIP_ME}$" |cut -d : -f 1)+${#SKIP_ME}+1))

dd if="${0}" bs=${skip_me} skip=1 2>/dev/null |bzcat

exit 0

### CT_NG SKIP ME ###