{"id":8500,"date":"2021-04-28T15:55:57","date_gmt":"2021-04-28T15:55:57","guid":{"rendered":"https:\/\/prwatech.in\/blog\/?p=8500"},"modified":"2024-04-13T09:36:37","modified_gmt":"2024-04-13T09:36:37","slug":"scala-file-i-o","status":"publish","type":"post","link":"https:\/\/prwatech.in\/blog\/scala\/scala-modules-scala\/scala-file-i-o\/","title":{"rendered":"Scala – File I\/O"},"content":{"rendered":"\r\n

File Handling in Scala<\/span><\/h2>\r\n

 <\/p>\r\n

File Handling <\/strong>is an approach to store<\/a> the fetch data in a file. Scala<\/a> provides packages from which we can read, open, create and compose the records. To write something in scala we get java.io._ from Java since we don’t have a class to write into a file, in the Scala standard library. We could likewise import java.io.File and java.io.PrintWriter.<\/p>\r\n

File handling in Scala involves reading from and writing to files using various APIs and libraries available in the Scala standard library and third-party frameworks. Scala provides convenient and expressive ways to work with files, leveraging features such as pattern matching, functional programming, and type safety.<\/p>\r\n

For basic file I\/O operations, Scala’s scala.io.Source<\/code> class allows reading from text files line by line or as a whole. Alternatively, the Java java.io<\/code> and java.nio<\/code> packages can be used directly from Scala to work with files, providing low-level file manipulation capabilities.<\/p>\r\n

Scala also supports more advanced file handling scenarios, such as reading and writing binary data using java.io.InputStream<\/code> and java.io.OutputStream<\/code> or working with file paths and directories using java.nio.file.Paths<\/code> and java.nio.file.Files<\/code>.<\/p>\r\n\r\n\r\n\r\n

Open, Read and Write a File in Scala<\/strong><\/h4>\r\n\r\n\r\n\r\n

use case 1:<\/strong><\/p>\r\n\r\n\r\n\r\n

scala> import java.io._<\/p>\r\n\r\n\r\n\r\n

import java.io._<\/p>\r\n\r\n\r\n\r\n

scala> val writer=new PrintWriter(new File(“demo1.txt”))<\/p>\r\n\r\n\r\n\r\n

2scala> writer.write(“This is a Prwatech”)<\/p>\r\n\r\n\r\n\r\n

scala> writer.close()<\/p>\r\n\r\n\r\n\r\n

3scala> import scala.io.Source<\/p>\r\n\r\n\r\n\r\n

scala> Source.fromFile(“demo1.txt”).mkString<\/p>\r\n\r\n\r\n\r\n

\"\"<\/figure>\r\n\r\n\r\n\r\n

use case 2:<\/strong><\/p>\r\n\r\n\r\n\r\n

scala> import java.io._<\/p>\r\n\r\n\r\n\r\n

import java.io._<\/p>\r\n\r\n\r\n\r\n

scala> val writer=new PrintWriter(new File(“Prwatech.txt”))<\/p>\r\n\r\n\r\n\r\n

2scala> writer.write(“Big Data “)<\/p>\r\n\r\n\r\n\r\n

scala> writer.write(” Data Science”)<\/p>\r\n\r\n\r\n\r\n

4scala> writer.write(” Tableau”)<\/p>\r\n\r\n\r\n\r\n

5scala> writer.close()<\/p>\r\n\r\n\r\n\r\n

scala> import scala.io.Source<\/p>\r\n\r\n\r\n\r\n

7scala> Source.fromFile(“Prwatech.txt”).mkString<\/p>\r\n\r\n\r\n\r\n

\"\"<\/figure>\r\n\r\n\r\n\r\n

 <\/p>\r\n","protected":false},"excerpt":{"rendered":"

File Handling in Scala   File Handling is an approach to store the fetch data in a file. Scala provides packages from which we can read, open, create and compose the records. To write something in scala we get java.io._ from Java since we don’t have a class to write into a file, in the […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[565,1698],"tags":[1238,1233,1240,1234,1241,1239,1236,1232,1242,1237],"class_list":["post-8500","post","type-post","status-publish","format-standard","hentry","category-scala","category-scala-modules-scala","tag-create-file-in-scala","tag-file-handling-in-scala","tag-file-i-o-operations-in-scala","tag-file-i-o-scala","tag-file-i-o-use-cases-scala","tag-open-file-in-scala","tag-read-file-in-scala","tag-scala-file-handling","tag-scala-file-handling-concepts","tag-write-file-in-scala"],"acf":[],"yoast_head":"\nFile Handling in Scala - Prwatech<\/title>\n<meta name=\"description\" content=\"Master File Handling in Scala - Dive deep with our expert instructors and comprehensive curriculum, Enroll now.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"File Handling in Scala - Prwatech\" \/>\n<meta property=\"og:description\" content=\"Master File Handling in Scala - Dive deep with our expert instructors and comprehensive curriculum, Enroll now.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/prwatech.in\/blog\/scala\/scala-modules-scala\/scala-file-i-o\/\" \/>\n<meta property=\"og:site_name\" content=\"Prwatech\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prwatech.in\/\" \/>\n<meta property=\"article:published_time\" content=\"2021-04-28T15:55:57+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-13T09:36:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/prwatech.in\/blog\/wp-content\/uploads\/2021\/04\/image-86.png\" \/>\n<meta name=\"author\" content=\"Prwatech\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@Eduprwatech\" \/>\n<meta name=\"twitter:site\" content=\"@Eduprwatech\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Prwatech\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/prwatech.in\/blog\/scala\/scala-modules-scala\/scala-file-i-o\/\",\"url\":\"https:\/\/prwatech.in\/blog\/scala\/scala-modules-scala\/scala-file-i-o\/\",\"name\":\"File Handling in Scala - 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