30 lines
		
	
	
		
			635 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			635 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| #!/usr/bin/env node
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| var argv = require('optimist')
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|     .usage('Count the lines in a file.\nUsage: $0')
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|     .options({
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|         file : {
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|             demand : true,
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|             alias : 'f',
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|             description : 'Load a file'
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|         },
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|         base : {
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|             alias : 'b',
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|             description : 'Numeric base to use for output',
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|             default : 10,
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|         },
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|     })
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|     .argv
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| ;
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| 
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| var fs = require('fs');
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| var s = fs.createReadStream(argv.file);
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| 
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| var lines = 0;
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| s.on('data', function (buf) {
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|     lines += buf.toString().match(/\n/g).length;
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| });
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| 
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| s.on('end', function () {
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|     console.log(lines.toString(argv.base));
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| });
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