From fb44210db42ad2e006f7559d08fa825df4dc1ac3 Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Thu, 12 May 2022 02:32:32 -0300
Subject: .local/bin/uuid: Add working version

---
 .local/bin/uuid | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100755 .local/bin/uuid

diff --git a/.local/bin/uuid b/.local/bin/uuid
new file mode 100755
index 00000000..74d0fbaa
--- /dev/null
+++ b/.local/bin/uuid
@@ -0,0 +1,53 @@
+#!/bin/sh
+set -eu
+
+usage() {
+	cat <<-'EOF'
+		Usage:
+		  uuid
+		  uuid -h
+	EOF
+}
+
+help() {
+	cat <<-'EOF'
+
+		Options:
+		  -h, --help    show this message
+
+		Generate UUID from /dev/random.
+	EOF
+}
+
+for flag in "$@"; do
+	case "$flag" in
+		--)
+			break
+			;;
+		--help)
+			usage
+			help
+			exit
+			;;
+		*)
+			;;
+	esac
+done
+
+while getopts 'h' flag; do
+	case "$flag" in
+		h)
+			usage
+			help
+			exit
+			;;
+		*)
+			usage >&2
+			exit 2
+			;;
+	esac
+done
+shift $((OPTIND - 1))
+
+od -xN20 /dev/random |
+	awk 'NR == 1 { OFS="-"; print $2$3,$4,$5,$6,$7$8$9; exit }'
-- 
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