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authorFlorian Dold <florian.dold@gmail.com>2017-05-03 15:35:00 +0200
committerFlorian Dold <florian.dold@gmail.com>2017-05-03 15:35:00 +0200
commitde98e0b232509d5f40c135d540a70e415272ff85 (patch)
treea79222a5b58484ab3b80d18efcaaa7ccc4769b33 /node_modules/optimist/example/line_count.js
parente0c9d480a73fa629c1e4a47d3e721f1d2d345406 (diff)
node_modules
Diffstat (limited to 'node_modules/optimist/example/line_count.js')
-rw-r--r--node_modules/optimist/example/line_count.js20
1 files changed, 20 insertions, 0 deletions
diff --git a/node_modules/optimist/example/line_count.js b/node_modules/optimist/example/line_count.js
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index 000000000..b5f95bf6d
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+++ b/node_modules/optimist/example/line_count.js
@@ -0,0 +1,20 @@
+#!/usr/bin/env node
+var argv = require('optimist')
+ .usage('Count the lines in a file.\nUsage: $0')
+ .demand('f')
+ .alias('f', 'file')
+ .describe('f', 'Load a file')
+ .argv
+;
+
+var fs = require('fs');
+var s = fs.createReadStream(argv.file);
+
+var lines = 0;
+s.on('data', function (buf) {
+ lines += buf.toString().match(/\n/g).length;
+});
+
+s.on('end', function () {
+ console.log(lines);
+});