From 4183072ea89370d8c6683d62f678000877bd57d2 Mon Sep 17 00:00:00 2001
From: Micyp <micyp@protonmail.ch>
Date: Tue, 27 Jul 2021 15:32:31 +0200
Subject: [PATCH] add bashutils

---
 bashutils | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 bashutils

diff --git a/bashutils b/bashutils
new file mode 100644
index 0000000..7f8002a
--- /dev/null
+++ b/bashutils
@@ -0,0 +1,16 @@
+#!/hint/bash
+
+function shasum {
+	command shasum <<<"$1" | awk '{ print $1 }'
+}
+
+# once <command>
+function once {
+	local flagname="__onceflag_$(shasum "$*")"
+	if [[ -z ${!flagname} ]]; then
+		declare -g "${flagname}"=1
+		"$@"
+	fi
+}
+
+