Perl for Me

Chapter 01 - Introduction

• Hello world (perl)
• Asking for a name (perl)
• Difference of greeting (perl)
• Guess a secret word (perl)
• Multiple secret words (perl)
• Words tied to people (perl)
• Default secret word (perl)
• Spelling doesn't count (perl)
• Spelling equality (perl)
• Adding sub routines (perl)
• A wordlist file (perl)
• wordlist
• Error checking (perl)
• Seven day word limit (perl)
• Mail with wrong guesses (perl)
• Many word files (perl)
• first wordlist
• second wordlist
• Secret word lister (perl)
• Renaming old word lists (perl)
• Last guess database (perl)
• database dir
• database pag
• Database display (perl)

Chapter 02 - Scalar Data

• Circumference of a static circle (perl)
• Input the radius (perl)
• Multiply two numbers (perl)
• Repeating a string (perl)

Chapter 03 - Arrays and List Data

• Reversing an array (perl)
• Accessing an array item (perl)
• Accessing a random item (perl)

Chapter 04 - Control Structures

• Ask for the temperature (perl)
• More temperature gradients (perl)
• Summing numbers (perl)
• Another way to reverse (perl)
• Squares with a list (perl)
• Squares with out a list (perl)

Chapter 05 - Hashes

• Thinking of a color (perl)
• Counting seen words (perl)

Chapter 06 - Basic I/O

• A backwards cat (perl)
• A backwards cat but per file (perl)
• Right justified by twenty (perl)
• Variable right justification (perl)

Chapter 07 - Regular Expressions

• A test of some regular expressions (perl)
• Looking for words containing aeiou (perl)
• Words with aeiou in order (perl)
• Words with aeiou with strict increase (perl)
• Try /usr/dict/words on the above three
• Prints user name and real name (perl)
• Prints real name of users with duplicate first names (perl)
• Prints user name of users with duplicate first names (perl)
• Try /etc/passwd on the above three

Chapter 08 - Functions

• Will convert a numeric digit to a text representation (perl)
• Displays an english sentence adding two digits (perl)
• Expands the conversion to include negatives (perl)

Chapter 09 - Miscellaneous Control Structures

• Will continue to add two numbers until end is given (perl)
• Continually sums numbers (perl)

Chapter 10 - Filehandles and File Tests

• Will output a file with its name prepended to each line (perl)
• Searches and replaces in a file based on user input (perl)
• Displays if a list of files is readable/writable/executable (perl)
• Finds the oldest file in a list (perl)

Chapter 11 - Formats

• Outputs user-names, uids, and real names in some columns (perl)
• Adds a top of page format (perl)
• Adds page numbers (perl)

Chapter 12 - Directory Access

• Changes a directory based on user input and lists files (perl)
• Adds display of files begining with a dot (perl)
• Different implementation of the above (perl)

Chapter 13 - File and Directory Manipulation

• Works like the rm command (perl)
• Works like the mv command (perl)
• Works like the ln command (perl)
• Adds the -s switch for symlinks (perl)
• Displays symlinked files like ls -l (perl)

Chapter 14 - Process Management

• Prints a message based on the output of the date command (perl)
• Uses who to get info about users in /etc/passwd via backquotes (perl)
• Uses who to get info about users in /etc/passwd via piping (perl)
• Automatically prints results (perl)
• Uses /bin/mkdir to make directories (perl)
• Adds chmod stuff to set permissions (perl)

Chapter 15 - Other Data Transformation

• Splits filenames into head and tail pairs (perl)
• Sorts numbers and outputs them in a column (perl)
• Ouputs a sorted list of users in /etc/passwd by last name (perl)
• Makes the first char of a sentence upper case and the rest lower (perl)

Chapter 16 - System Database Access

• Creates a mapping from /etc/passwd and queries based on group (perl)

Chapter 17 - User Database Manipulation

• Prints the entries in the sendmail alias database (perl)
• Captures the occurances of words (perl)
• Displays the occurances sorted by count (perl)

Chapter 18 - Converting Other Languages to Perl

• A converted shell script (perl)

Chapter 19 - CGI Programming

• Adds to fields when submitted (perl)
• Detects browser type and responds (perl)

Other Programs

• HTML link space to %20 converter (perl)
• Forum Project