PPT-Learning Ruby Files # Example 1 - Read File and close

counter 1 file Filenew sowpodstxt r while line filegets puts counter line counter counter 1 end fileclose Example 2 Pass file to block . Part One:. Why even bother?. And a simple solution.. Starter Questions. Why sort a large data file?. speed of searching. Why not sort a large data file?. difficult to add and delete data. Searching. . M. ail Storage. Timo. . Sirainen. Me: . Timo. . Sirainen. Born 1979 in Finland. First C64 BASIC programs around 1988. Open source coding since about 1998. Irssi. IRC client 1999-2004, still widely used. Chapter 9. Above: An early computer input/output device on the IBM 7030 (STRETCH). http. ://computer-history.info/Page4.dir/pages/IBM.7030.Stretch.dir/. Io? I/O?. Io. One of the moon’s of Jupiter. (A Galilean satellite). File Types in Unix . regular . file - can be text, binary, can be executable . directory . file - "folder type" file . FIFO . file - special pipe device file, allows unrelated processes to . communiate. U. nderstanding the I/O Behavior . of Apple Desktop Applications. Tyler Harter, Chris . Dragga. , Michael Vaughn,. Andrea C. . Arpaci-Dusseau. , . Remzi. H. . Arpaci-Dusseau. Department of Computer Sciences. what a file or folder is on the computer. how to recognize a file or folder on the desktop. how to recognize the drives available. selecting files or folders. moving and copying files or folders. changing the view for drives, files or folders. Text file are convenient because you can read and change them using any text editor. However, text files are limited to only text characters. Sometimes you need to store more complex data structures. Upsorn . Praphamontripong. CS . 1110. Introduction to . Programming. Spring 2017. Overview: . File Processing. 2. CS 1110. Review. Open a file. Read contents of a file. Process . the content. Write . Upsorn . Praphamontripong. CS 1110. Introduction to Programming. Spring 2017. Overview: File Input and Output. 2. CS 1110. O. pening . files. Reading from files. Writing to files. Appending to files. 16. th. Lecture, March 15, 2016. Instructors:. . Franz Franchetti & Seth Copen Goldstein, Ralf Brown, and Brian Railing. Mid-Semester Feedback (Selected Answers). Piazza reaction time, let students answer questions. Lazowska. , Hank Levy, Andrea . and . Remzi. . Arpaci-Dussea. , Michael Swift. Distributed File Systems. Goal: access your data through normal file . system APIs . but store on some other machine. Sharing/collaboration . Perl & Chapter 5. Hey real quick aliases. Aliases. Aliases can be defined on the command line, in . .bash_profile. , or in . .bashrc. , using this form : . alias name=‘command’. unalias. will remove. CS2110, Recitation . 8. 1. Reading files/ webpages. I/O classes are in package. . java.io. .. To import the classes so you can use them, use. . import. . java.io. .*;. . 2. Class File. An object of class . Ways to Read Files. Streams. Scanner. Class. Files. Class. RandomAccessFile. Class. 2. Java I/O Streams (overview). Writing data to / Reading data from files (or other data sources). Two Choices: Binary-Formatted or Text-Formatted Data.