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Diffstat (limited to 'node_modules/optimist/example/line_count.js')
-rw-r--r-- | node_modules/optimist/example/line_count.js | 20 |
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 new file mode 100644 index 000000000..b5f95bf6d --- /dev/null +++ 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); +}); |