src/now: Add working utility

1 files changed, 31 insertions, 0 deletions

diff --git a/src/now b/src/now
new file mode 100755
index 0000000..72ca984
--- /dev/null
+++ b/src/now
@@ -0,0 +1,31 @@
+#!/bin/sh
+set -eu
+
+usage() {
+	cat <<-'EOF'
+		Usage:
+		  now [-E]
+	EOF
+}
+
+EXTENDED=false
+while getopts 'E' flag; do
+	case "$flag" in
+		(E)
+			EXTENDED=true
+			;;
+		(*)
+			usage >&2
+			exit 2
+			;;
+	esac
+done
+shift $((OPTIND - 1))
+
+
+# FIXME: neither %s or %N are POSIX
+if [ "$EXTENDED" = true ]; then
+	date '+%s.%N'
+else
+	date '+%s'
+fi