From 78369cc5dacd805db47b2e470eb2b2f431714860 Mon Sep 17 00:00:00 2001
From: Patrick Spek <p.spek@tyil.nl>
Date: Thu, 31 Aug 2023 00:38:59 +0200
Subject: Add count utility

---
 .local/bin/count | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100755 .local/bin/count

diff --git a/.local/bin/count b/.local/bin/count
new file mode 100755
index 0000000..cc02a71
--- /dev/null
+++ b/.local/bin/count
@@ -0,0 +1,44 @@
+#!/bin/sh
+
+# This program is free software: you can redistribute it and/or modify it under
+# the terms of the GNU Affero General Public License as published by the Free
+# Software Foundation, either version 3 of the License, or (at your option) any
+# later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+# details.
+
+main()
+{
+	# Handle opts
+	while getopts ":h" opt
+	do
+		case "$opt" in
+			h) usage && exit 0 ;;
+			*)
+				printf "Invalid option passed: %s\n" "$OPTARG" >&2
+				;;
+		esac
+	done
+
+	shift $(( OPTIND - 1 ))
+
+	cat - | sort | uniq -c | sort -h
+}
+
+usage()
+{
+	cat <<EOF
+Usage:
+	${0##*/} -h
+
+Count occurrences of unique lines.
+
+Options:
+	-h  Show this help text and exit.
+EOF
+}
+
+main "$@"
-- 
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