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#!/bin/sh
set -eu

die() {
	echo "$@" >&2
	exit 1
}

script=$0
path=${script%/*}
prefix=${path%/bin}
exman="${prefix}/share/exman"
[ -d "${exman}" ] || exman=$prefix

system=${1:-}
[ -n "${system}" ] || die 'What system do you want?'
shift

export MANPATH="${exman}/${system}"
[ -d "${MANPATH}" ] || die "No manuals for ${system}"

export MANSECT=
for sect in "${MANPATH}"/man*/; do
	sect=${sect%/}
	sect=${sect##*/man}
	MANSECT="${MANSECT:-}${MANSECT:+:}${sect}"
done

exec man "$@"