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.
Example:
Output:
👁 Image
Following are some of the useful functions in Perl to work on Files:
| Function |
Description |
| glob() |
Used to print the files present in a directory passed to it as an argument |
| tell() |
Used to get the position of the read pointer in a File with the use of its FileHandle |
| getc() |
Used to read the next character from the file whose File Handle is passed to it as argument |
| reverse() |
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 |
| rename() |
Renames the old name of a file to a new name as given by the user |
