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+======Synopsis:======
+__input__      "<prompt>" <command> [<arguments>] \\
+__input_char__ "<prompt>" <command> [<arguments>]
+======Description:======
+This command is primarily for use inside scripts.  It allows the client
+to present the user with a visible prompt for specific commands.  This
+can be used for interactive commands, for command confirmation, etc.
+Multiple commands may be specified if surrounded with curly braces.
+The variant __INPUT_CHAR__ words the same as __INPUT__, except it only takes a
+single character.  The primary difference is that it does not require
+that a carriage return be entered before executing the command; the first
+keystroke will trigger it.
+======Options:======
+|-noecho    |stops the echoing of characters as they are typed    |
+======Examples:======
+To let a command ask for confirmation:
+      input "Are you REALLY sure you want to do this? (y/n) " {
+         if ( [$0] == [y] ) exec rm -rf *
+      }
+The basis for a simple paging mechanism:
+      input_char "Press 'q' to quit, any other key to continue: " {
+         unless ( [$0] == [q] ) {
+            /* do whatever */
+         }
+      }
+======Aliases:======
+These commands are functionally equivalent to the $"..." expando.  In
+truth, they supersede $"...".