File Handles and Data Input/Output

<< Perl Tutorials - Herong's Tutorial Examples

This chapter provides tutorial examples and notes about file handles and data input or output. Topics include using open() function to open file handles; using print() to output data; using <file_handle> to input data.

open() - Opening File Handles for Input and Output

print() - Printing Output to File Handles

<file_handle> - Reading Data from File Handles

Conclusions:

• open(IN, "< $file"); - Opening a file handler to a file for data input.
• <IN> - Reading one record or all records from a file handler.
• open(OUT, "> $file"); - Opening a file handler to a file for data output.
• print OUT @list; - Printing a list of values to a file handler.