# FileReadLine

Returns the next line from the file object stream

## Method Signature

```
FileReadLine(file=[any])
```

### Arguments

| Argument | Type  | Required | Description                    | Default |
| -------- | ----- | -------- | ------------------------------ | ------- |
| `file`   | `any` | `true`   | The currently open file object |         |

## Examples

### Opens a file, reads a line then closes it.

```java
// Open File
var fileObject = fileOpen( "/path/to/file.txt" );
// Perform Actions
try {
	// Read Line
	writeOutput( fileReadLine( fileObject ) );
}
// Error Handling
 catch (any ex) {
	// Report Exception
	writeDump( ex );
}finally {
	// Always Close
	// Close File
	fileClose( fileObject );
}

```

### Additional Examples

```java
// Example reads lines of file one at a time into an array
filePath = "/path/to/file.txt";
openFile = fileopen( filePath, "read" );
lines = [];
// IMPORTANT: must close file, use try/catch/finally to do so
try {
	while (!fileIsEoF( openFile )) {
		arrayAppend( lines, fileReadLine( openFile ) );
	}
} catch (any e) {
	rethrow;
}finally {
	fileClose( openFile );
}

```

## Related

* [ContractPath](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/contractpath)
* [CreateTempDirectory](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/createtempdirectory)
* [CreateTempFile](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/createtempfile)
* [DirectoryCopy](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/directorycopy)
* [DirectoryCreate](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/directorycreate)
* [DirectoryDelete](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/directorydelete)
* [DirectoryExists](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/directoryexists)
* [DirectoryList](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/directorylist)
* [DirectoryMove](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/directorymove)
* [DirectoryRename](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/directoryrename)
* [ExpandPath](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/expandpath)
* [FileAppend](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/fileappend)
* [FileClose](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/fileclose)
* [FileCopy](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/filecopy)
* [FileDelete](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/filedelete)
* [FileExists](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/fileexists)
* [FileGetMimeType](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/filegetmimetype)
* [FileInfo](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/fileinfo)
* [FileIsEOF](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/fileiseof)
* [FileMove](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/filemove)
* [FileOpen](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/fileopen)
* [FileRead](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/fileread)
* [FileReadBinary](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/filereadbinary)
* [FileSeek](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/fileseek)
* [FileSetAccessMode](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/filesetaccessmode)
* [FileSetAttribute](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/filesetattribute)
* [FileSetLastModified](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/filesetlastmodified)
* [FileSkipBytes](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/fileskipbytes)
* [FileWrite](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/filewrite)
* [FileWriteLine](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/filewriteline)
* [GetCanonicalPath](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/getcanonicalpath)
* [GetDirectoryFromPath](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/getdirectoryfrompath)
* [GetFileInfo](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/getfileinfo)
* [getTempFile](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/gettempfile)
* [PropertyFile](https://boxlang.ortusbooks.com/boxlang-language/reference/built-in-functions/io/propertyfile)