1 files changed, 73 insertions, 0 deletions
diff --git a/v2/src/bin/lang-for b/v2/src/bin/lang-for
new file mode 100755
index 0000000..f7c57a9
--- /dev/null
+++ b/v2/src/bin/lang-for
@@ -0,0 +1,73 @@
+#!/bin/sh
+set -eu
+
+usage() {
+	cat <<-'EOF'
+		Usage:
+		  lang-for FILE
+		  lang-for -h
+	EOF
+}
+
+help() {
+	cat <<-'EOF'
+
+
+		Options:
+		  -h, --help    show this message
+
+		  FILE          the path of the file to get the language for
+
+
+		Say the language of the given file, using the path of FILE.
+
+
+		Examples:
+
+		  Get "en" for "src/en/some-pt.md":
+
+		    $ lang-for src/en/some-pt.md
+		    en
+	EOF
+}
+
+
+for flag in "$@"; do
+	case "$flag" in
+		--)
+			break
+			;;
+		--help)
+			usage
+			help
+			exit
+			;;
+		*)
+			;;
+	esac
+done
+
+while getopts 'h' flag; do
+	case "$flag" in
+		h)
+			usage
+			help
+			exit
+			;;
+		*)
+			usage >&2
+			exit 2
+			;;
+	esac
+done
+shift $((OPTIND - 1))
+
+. src/lib.sh
+
+
+FILE="${1:-}"
+eval "$(assert_arg "$FILE" 'FILE')"
+
+
+echo "${FILE#"$CONTENT_PREFIX"/}" |
+	cut -d/ -f1