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var spawn = require('child_process').spawn;
module.exports = function (file, opts, cb) {
if (typeof opts === 'function') {
cb = opts;
opts = {};
}
if (!opts) opts = {};
var ed = /^win/.test(process.platform) ? 'notepad' : 'vim';
var editor = opts.editor || process.env.VISUAL || process.env.EDITOR || ed;
setRaw(true);
var ps = spawn(editor, [ file ], { customFds : [ 0, 1, 2 ] });
ps.on('exit', function (code, sig) {
setRaw(false);
process.stdin.pause();
if (typeof cb === 'function') cb(code, sig)
});
};
var tty = require('tty');
function setRaw (mode) {
process.stdin.setRawMode ? process.stdin.setRawMode(mode) : tty.setRawMode(mode);
}