From 787437106de9d8d8b49cd6be77e8e4d198646322 Mon Sep 17 00:00:00 2001
From: DTB <trinity@trinity.moe>
Date: Mon, 30 Jan 2023 23:37:25 -0500
Subject: [PATCH] manual system

---
 manual/manual | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100755 manual/manual

diff --git a/manual/manual b/manual/manual
new file mode 100755
index 0000000..8b5c1bc
--- /dev/null
+++ b/manual/manual
@@ -0,0 +1,37 @@
+#!/bin/sh
+
+set -e
+
+str isvalue "$MANUAL_DIR" \
+	|| MANUAL_DIR=/usr/manual
+
+argv0="$0"
+
+! str isvalue "$1" || str isvalue "$3" \
+	&& printf "Usage: %s [name] (section)\n" "$argv0" 1>&2 \
+	&& exit 1 \
+	|| true
+
+str isvalue "$2" && ! test -e "$MANUAL_DIR/$2/$1" \
+	&& printf "%s: %s: No manual entry in section %s\n" "$0" "$1" "$2" \
+		1>&2 \
+	&& exit 1 \
+	|| true
+
+str isvalue "$2" \
+	&& PAGE="$MANUAL_DIR/$2/$1" \
+	|| for d in "$MANUAL_DIR"/*
+			do test -e "$d/$1" && PAGE="$d/$1"
+		done
+
+! str isvalue "$PAGE" \
+	&& printf "%s: %s: No manual entry\n" "$0" "$1" 1>&2 \
+	&& exit 1 \
+	|| true
+
+! str isvalue "$SECTION_DIR" \
+	&& printf "%s: %s: No manual entry\n" "$argv0" "$1" 1>&2 \
+	&& exit 1 \
+	|| true
+
+<"$PAGE" groff -t -e -mandoc -Tascii