1 files changed, 56 insertions, 0 deletions
diff --git a/src/bin/qr b/src/bin/qr
new file mode 100755
index 00000000..0fce2343
--- /dev/null
+++ b/src/bin/qr
@@ -0,0 +1,56 @@
+#!/bin/sh
+set -eu
+
+usage() {
+	cat <<-'EOF'
+	Usage:
+	  qr [-s PIXEL_SIZE] [DATA|-]
+	  qr -h
+EOF
+}
+
+help() {
+	cat <<-'EOF'
+
+	Options:
+	  -s            size of the pixel (default 10)
+	  -h, --help    show this help message
+EOF
+}
+
+for flag in "$@"; do
+	case "$flag" in
+		--)
+			break
+			;;
+		--help)
+			usage
+			help
+			exit
+			;;
+		*)
+			;;
+	esac
+done
+
+PIXEL_SIZE=10
+while getopts 's:h' flag; do
+	case "$flag" in
+		s)
+			PIXEL_SIZE="$OPTARG"
+			;;
+		h)
+			usage
+			help
+			exit
+			;;
+		*)
+			usage >&2
+			exit 2
+			;;
+	esac
+done
+shift $((OPTIND - 1))
+
+
+echo "${1:-$(cat -)}" | qrencode -s "$PIXEL_SIZE" -o- | feh -