Simple Database
This function is a simple file-driven database. Entries in the database are identified by a name. The program reads a file that contains lines of the form:
put name value # assign entry "name" the value "value" get name # prints the value of entry "name" delete name # removes the entry "name" length name # prints the length of entry "name" dump # displays the entire database
To make processing easier, the names are defined to be “Perl words” (which means that they contain letters, numbers, and/or underscores—the characters that the '\w' regular expression escape matches). The spaces in between operators and names can be any number ...
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