Scala learning 3 --- reading text lines in files

After learning the basic knowledge of Scala, I found that Scala is a language integrating functional and Directive. The code is more concise, but for those who are used to Java, it is really not an easy task ~~

Learn Scala script to read text files today

The column is as follows:

Import scala. Io. Source

If (ARGs. length> 0 ){

For (line <-source. fromfile (ARGs (0). getlines)

Print (line. Length + "" + line)

} Else {

Console. Err. println ("ssss ")

}

During the call, you can pass in a file name parameter.

Scala test. Scala test. Scala

The result is to print out your own code.