Collectives on Stack Overflow. Learn more. How to download multiple files with ssh2-sftp-client fastGet? Ask Question. Asked 1 year, 4 months ago. Active 1 year, 4 months ago. Viewed times. Also we listen to spawn 's exit event to make note of any errors.
Although it says downloading using wget , this example applies to downloading using curl with the -O option too. This method of downloading looks the most simple from coding point of view. Why exec and not spawn? Because we just want wget to tell us if the work was done properly or not, we are not interested in buffers and streams. We are making wget do all the dirty work of making request, handling data, and saving the file for us.
As you might have guessed, this method is the fastest among the three methods I described. If dst is defined, it is returned when the Promise is resolved. In general, if your going to pass in a string as the destination, you are better off using the fastGet method. The options argument can be used to pass options to the underlying streams and pipe call used by this method. The argument is an object with three possible properties, readStreamOptions , writeStreamOptions and pipeOptions.
The values for each of these properties should be an object containing the required options. For example, possible read stream and pipe options could be defined as. Most of the time, you won't want to use any options. Sometimes, it may be useful to set the encoding. For example, to 'utf-8'. However, it is important not to do this for binary files to avoid data corruption.
Downloads a file at remotePath to localPath using parallel reads for faster throughput. This is the simplest method if you just want to download a file. Upload data from local system to remote server. If the src argument is a string, it is interpreted as a local file path to be used for the data to transfer. If the src argument is a buffer, the contents of the buffer are copied to the remote file and if it is a readable stream, the contents of that stream are piped to the remotePath on the server.
The options object supports three properties, readStreamOptions , writeStreamOptions and pipeOptions. The value for each property should be an object with options as properties and their associated values representing the option value. For example, you might use the following to set writeStream options. The most common options to use are mode and encoding. The values shown above are the defaults. You do not have to set encoding to utf-8 for text files, null is fine for all file types.
However, using utf-8 encoding for binary files will often result in data corruption. Note that you cannot set autoClose: false for writeStreamOptions. If you attempt to set this property to false, it will be ignored. This is necessary to avoid a race condition which may exist when setting autoClose to false on the writeStream. As there is no easy way to access the writeStream once the promise has been resolved, setting this to autoClose false is not terribly useful as there is no easy way to manually close the stream after the promise has been resolved.
Uploads the data in file at localPath to a new file on remote server at remotePath using concurrency. The options object allows tweaking of the fast put process. Append the input data to an existing remote file. There is no integrity checking performed apart from normal writeStream checks. This function simply opens a writeStream on the remote file in append mode and writes the data passed in to the file.
Generally, I would not attempt to append binary files. Create a new directory. If the recursive flag is set to true, the method will create any directories in the path which do not already exist.
Recursive flag defaults to false. Remove a directory. If removing a directory and recursive flag is set to true , the specified directory and all sub-directories and files will be deleted.
If set to false and the directory has sub-directories or files, the action will fail. Note : There has been at least one report that some SFTP servers will allow non-empty directories to be removed even without the recursive flag being set to true. While this is not standard behaviour, it is recommended that users verify the behaviour of rmdir if there are plans to rely on the recursive flag to prevent removal of non-empty directories.
If true, no error is raised when you try to delete a non-existent file. Default is false. Rename a file or directory from fromPath to toPath.
You must have the necessary permissions to modify the remote file. The advantage of this version of rename over standard SFTP rename is that it is an atomic operation and will allow renaming a resource where the destination name exists. Converts a relative path to an absolute path on the remote server. This method is mainly used internally to resolve remote path names. Warning : Currently, there is a platform inconsistency with this method on win32 platforms.
For servers running on non-win32 platforms, providing a path which does not exist on the remote server will result in an empty e. On servers running on win32 platforms, a normalised path will be returned even if the path does not exist on the remote server. It is therefore advised not to use this method to also verify a path exists. Upload the directory specified by srcDir to the remote directory specified by dstDir. The dstDir will be created if necessary.
Any sub directories within srcDir will also be uploaded. Any existing files in the remote path will be overwritten. The upload process also emits 'upload' events. These events are fired for each successfully uploaded file. The upload event calls listeners with 1 argument, an object which has properties source and destination. The source property is the path of the file uploaded and the destination property is the path to where the file was uploaded to.
The purpose of this event is to provide some way for client code to get feedback on the upload progress. You can add your own lisener using the on method. The optionsl filter argument is a regular expression which can be used to select which files and directories to include in the upload. Download the remote directory specified by srcDir to the local file system directory specified by dstDir. The dstDir directory will be created if required.
All sub directories within srcDir will also be copied. Any existing files in the local path will be overwritten. No files in the local path will be deleted. The method also emites download events to provide a way to monitor download progress.
The download event listener is called with one argument, an object with two properties, source and destination. Add a comment. Active Oldest Votes. Improve this answer. It gives me: TypeError: sftp. However i understood your solution and I'll investigate further. It actually returns a Promise that returns a stream rather odd since there is nothing async about getting a file stream. I see, yes, sometimes documentations are really poor. And it's a pity. I am almost there, although the get and pipe breaks the for loop and only the last file is actually downloaded.
I had to follow your advice and declare the paths as const and not var. FabioRicci could you post your final code? This a sample example for reading the content of the remote file, printing it on the browser screen, and downloading the remote file into our machine.
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