1 files changed, 64 insertions, 0 deletions
diff --git a/less-osc8-open.sh b/less-osc8-open.sh
new file mode 100755
index 000000000000..fbcde90a9824
--- /dev/null
+++ b/less-osc8-open.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+
+# Less OSC 8 handler.
+
+echo() { printf %s\\n "$*"; }
+
+# Open a link of the form "file://HOST/PATH" or "file:///PATH"
+open_file() {
+	case $1 in
+	file:///* | file://localhost/*)
+		less -- "/${1#file://*/}"
+		;;
+
+	file://*/*)
+		linkhost=${1#file://}; linkhost=${linkhost%%/*}
+		localhost=${HOSTNAME:-$(bash -c 'printf %s "$HOSTNAME"' || uname -n)} 2>/dev/null
+
+		case $localhost in
+		*/* | '')
+			echo "unable to detect local hostname: $localhost"
+			exit 1
+			;;
+		"$linkhost")
+			less -- "/${1#file://*/}"
+			;;
+		*)
+			echo "cannot open remote file: $1"
+			exit 1
+			;;
+		esac
+		;;
+
+	*)
+		echo "invalid file link: $1"
+		exit 1
+		;;
+	esac
+}
+
+# Open a link of the form "man:NAME" or "man:NAME(SECTION)".
+open_man() {
+	case $1 in
+	man:?*\(*\) )
+		sect=${1#*\(}; sect=${sect%?}
+		name=${1#man:}; name=${name%%\(*}
+		man -- ${sect:+"$sect"} "$name"
+		;;
+
+	man:?*)
+		man -- "${1#man:}"
+		;;
+
+	*)
+		echo "invalid man link: $1"
+		exit 1
+		;;
+	esac
+}
+
+case $1 in
+file:*) open_file "$1" ;;
+man:*) open_man "$1" ;;
+*) echo "unsupported link type: $1"; exit 1 ;;
+esac