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Hooking into Node.js stdout
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| var util = require('util') | |
| function hook_stdout(callback) { | |
| var old_write = process.stdout.write | |
| process.stdout.write = (function(write) { | |
| return function(string, encoding, fd) { | |
| write.apply(process.stdout, arguments) | |
| callback(string, encoding, fd) | |
| } | |
| })(process.stdout.write) | |
| return function() { | |
| process.stdout.write = old_write | |
| } | |
| } | |
| console.log('a') | |
| console.log('b') | |
| var unhook = hook_stdout(function(string, encoding, fd) { | |
| util.debug('stdout: ' + util.inspect(string)) | |
| }) | |
| console.log('c') | |
| console.log('d') | |
| unhook() | |
| console.log('e') | |
| console.log('f') |
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