Merge pull request #13 from pelias/move_cli

move cli.js out of analyzer dir

README.md

@@ -140,26 +140,26 @@ there is an included CLI script which allows you to easily pipe in files for tes
 
 ```bash
 # test a single input
-$ node analyzer/cli.js en street <<< "n foo st w"
+$ node cli.js en street <<< "n foo st w"
 
 North Foo Street West
 
 # test multiple inputs
-$ echo -e "n foo st w\nw 16th st" | node analyzer/cli.js en street
+$ echo -e "n foo st w\nw 16th st" | node cli.js en street
 
 North Foo Street West
 West 16 Street
 
 # test against the contents of a file
-$ node analyzer/cli.js en street < nyc.names
+$ node cli.js en street < nyc.names
 
 100 Avenue
 100 Drive
 100 Road
 ... etc
 
 # test against openaddresses data
-$ cut -d',' -f4 /data/oa/de/berlin.csv | sort | uniq | node analyzer/cli.js de street
+$ cut -d',' -f4 /data/oa/de/berlin.csv | sort | uniq | node cli.js de street
 
 Aachener Strasse
 Aalemannufer
@@ -177,7 +177,7 @@ $ diff \
   --width=100 \
   --expand-tabs \
   nyc.names \
-  <(node analyzer/cli.js en street < nyc.names)
+  <(node cli.js en street < nyc.names)
 
 ZEBRA PL                  | Zebra Place
 ZECK CT                   | Zeck Court

cli.js

@@ -0,0 +1,26 @@
+const readline = require('readline');
+const tty = require('tty');
+
+const locale = process.argv[2];
+const analyzerName = process.argv.slice(3);
+
+if (tty.isatty(process.stdin)) {
+	console.error('no data piped to stdin');
+	process.exit(1);
+}
+
+try {
+	const ctx = { locale: locale };
+	const analyzer = require('./analyzer/' + analyzerName).call(null, ctx);
+
+	const rl = readline.createInterface({
+		input: process.stdin,
+		output: process.stdout,
+		terminal: false
+	});
+
+	rl.on('line', line => console.log(analyzer(line)));
+}
+catch (e) {
+	console.error('invalid analyzer', analyzerName);
+}