#!/bin/sh

errs="
    abort
    aborted
    aborting
    absent
    alarm
    are_not
    aren't
    bad
    breaking
    broken
    can't
    cannot
    can_not
    could
    couldn't
    denied
    did_not
    didn't
    do_not
    don't
    does_not
    doesn't
    error
    exception
    expired
    fail
    failed
    failure
    fatal
    fault
    has_not
    hasn't
    have_not
    haven't
    illegal
    invalid
    is_not
    isn't
    kill
    killed
    killing
    lost
    missing
    not_able
    not_allowed
    not_permitted
    not_respond
    not_responding
    permission
    problem
    refused
    refusing
    severe
    strange
    such
    unable
    unknown
    warn
    warning
    was_not
    wasn't
    were_not
    weren't
    wrong
"
pat='$.'	# impossible to match

for i in $errs
do
    pat="$i|$pat"
done

pat=`echo "$pat" | sed 's/_/ /g'`
pat="(^|[^-a-z0-9_])($pat)([^-a-z0-9_]|$)"

export LANG=C

exec egrep -i "$pat" ${1+"$@"}