Perl | Useful File-handling functions
Perl was originally developed for the text processing like extracting the required information from a specified text file and for converting the text file into a different form. These operations can be performed by the use of various inbuilt file functions.
"Character read from the file is $ch"
Following are some of the useful functions in Perl to work on Files:
|Used to print the files present in a directory passed to it as an argument
|Used to get the position of the read pointer in a File with the use of its FileHandle
|Used to read the next character from the file whose File Handle is passed to it as argument
|Returns the List in reverse order when used in List context and returns a concatenated string of the values of the List, with each character of the string in the opposite order when used in scalar context
|Renames the old name of a file to a new name as given by the user
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