+ "Make a function `f` behave like a UNIX shell command.
+
+ Examples:
+
+ # Multiple arguments
+ $ install-deb url1 url2 url3
+
+ # Read from file with one url on each line
+ $ install-deb `cat urls.txt`
+
+ # Piping from another process
+ $ ls | install-deb # Note: install-deb doesn't work with ls
+ "