Readline reads a line from the terminal or from storage
Usage
Readline(prompt="", info=NULL)
Arguments
prompt
the string printed when prompting the user for input. Should
usually end with a space " "
info
arbitrary object; tracing information that is useful
in case the user likes to edit the stored sequence of inputs;
the value of info is considered only if useraction
has be
Value
A character vector of length one.
Details
The behaviour of Readline depends on the
the value of action set by useraction,
see there for more information.
The prompt string will be truncated to a maximum allowed length,
normally 256 chars (but can be changed in the source code), since the
function is based on readline.