ch1

Overview ¶

Dup1 prints the text of each line that appears more than once in the standard input, preceded by its count.

Dup2 prints the count and text of lines that appear more than once in the input. It reads from stdin or from a list of named files.

Echo1 prints its command-line arguments.

Echo2 prints its command-line arguments.

Dup2 prints the count and text of lines that appear more than once in the input. It reads from stdin or from a list of named files.

Fetch prints the content found at a URL ¶

Fetchall fetches URLs in parallel and reports their times and sizes.

Lissajous generates GIF animations of random Lissajous figures.

Server1 is a minimal "echo" server.

Server2 is a minimal "echo" and counter server.

Server2 is a minimal "echo" and counter server.