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How to open a file using PERL

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Opening files with PERL is as easy.

There are three options to opening a file

  1. open to read
  2. open to write
    • creates a new file or erase previous contents
  3. open a file to append it
    • opens the file, reads it and writes to it
  • open(FILEVARIABLE, "< $filename")
    • open the file to read
  • @filelines= <FILEVARIABLE>;
    • reads the file into an array with each line being its content

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