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# Date: Fri, 11 Oct 91 11:22:36 edt
# From: friedman@gnu.ai.mit.edu
# To: bfox@gnu.ai.mit.edu
# A replacement for dirname(1). This one appears less often on some
# systems I use than basename(1), and I really depend on it for some
# things. Usage: dirname [path]
function dirname ()
{
local dir="$1"
local tdir="${dir%/}"
# Strip trailing '/' characters from dir (unusual that this should
# ever occur, but dirname(1) seems to deal with it.)
while [ "${tdir}" != "${dir}" ]; do
tdir="${dir}"
dir="${tdir%/}"
done
echo "${dir%/*}"
}