Looping a través de archivos en un nodo de carpeta.JS
Estoy tratando de recorrer y recoger archivos en un directorio, pero tengo algunos problemas para implementarlo. ¿Cómo extraer varios archivos y luego moverlos a otra carpeta?
var dirname = 'C:/FolderwithFiles';
console.log("Going to get file info!");
fs.stat(dirname, function (err, stats) {
if (err) {
return console.error(err);
}
console.log(stats);
console.log("Got file info successfully!");
// Check file type
console.log("isFile ? " + stats.isFile());
console.log("isDirectory ? " + stats.isDirectory());
});
31
1 answers
Desea utilizar el fs.readdir función para obtener el contenido del directorio y el fs .rename función para hacer realmente el cambio de nombre. Ambas funciones tienen versiones síncronas si necesita esperar a que terminen antes de ejecutar el código después.
Escribí un script rápido que hace lo que describiste.
var fs = require( 'fs' );
var path = require( 'path' );
// In newer Node.js versions where process is already global this isn't necessary.
var process = require( "process" );
var moveFrom = "/home/mike/dev/node/sonar/moveme";
var moveTo = "/home/mike/dev/node/sonar/tome"
// Loop through all the files in the temp directory
fs.readdir( moveFrom, function( err, files ) {
if( err ) {
console.error( "Could not list the directory.", err );
process.exit( 1 );
}
files.forEach( function( file, index ) {
// Make one pass and make the file complete
var fromPath = path.join( moveFrom, file );
var toPath = path.join( moveTo, file );
fs.stat( fromPath, function( error, stat ) {
if( error ) {
console.error( "Error stating file.", error );
return;
}
if( stat.isFile() )
console.log( "'%s' is a file.", fromPath );
else if( stat.isDirectory() )
console.log( "'%s' is a directory.", fromPath );
fs.rename( fromPath, toPath, function( error ) {
if( error ) {
console.error( "File moving error.", error );
}
else {
console.log( "Moved file '%s' to '%s'.", fromPath, toPath );
}
} );
} );
} );
} );
Probado en mi máquina local.
node testme.js
'/home/mike/dev/node/sonar/moveme/hello' is a file.
'/home/mike/dev/node/sonar/moveme/test' is a directory.
'/home/mike/dev/node/sonar/moveme/test2' is a directory.
'/home/mike/dev/node/sonar/moveme/test23' is a directory.
'/home/mike/dev/node/sonar/moveme/test234' is a directory.
Moved file '/home/mike/dev/node/sonar/moveme/hello' to '/home/mike/dev/node/sonar/tome/hello'.
Moved file '/home/mike/dev/node/sonar/moveme/test' to '/home/mike/dev/node/sonar/tome/test'.
Moved file '/home/mike/dev/node/sonar/moveme/test2' to '/home/mike/dev/node/sonar/tome/test2'.
Moved file '/home/mike/dev/node/sonar/moveme/test23' to '/home/mike/dev/node/sonar/tome/test23'.
Moved file '/home/mike/dev/node/sonar/moveme/test234' to '/home/mike/dev/node/sonar/tome/test234'.
52
Author: Mikey A. Leonetti,
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2017-03-02 14:04:43
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2017-03-02 14:04:43