cu Variables
------------

   The `cu' program also supports several variables.  They may be
listed with the `~v' command, and set with the `~s' or `~!'  commands.

`escape'
     The escape character.  The default is `~' (tilde).

`delay'
     If this variable is true, `cu' will delay for a second, after
     recognizing the escape character, before printing the name of the
     local system.  The default is true.

`eol'
     The list of characters which are considered to finish a line.  The
     escape character is only recognized after one of these is seen.
     The default is `carriage return', `^U', `^C', `^O', `^D', `^S',
     `^Q', `^R'.

`binary'
     Whether to transfer binary data when sending a file.  If this is
     false, then newlines in the file being sent are converted to
     carriage returns.  The default is false.

`binary-prefix'
     A string used before sending a binary character in a file
     transfer, if the `binary' variable is true.  The default is `^V'.

`echo-check'
     Whether to check file transfers by examining what the remote system
     echoes back.  This probably doesn't work very well.  The default is
     false.

`echonl'
     The character to look for after sending each line in a file.  The
     default is carriage return.

`timeout'
     The timeout to use, in seconds, when looking for a character,
     either when doing echo checking or when looking for the `echonl'
     character.  The default is 30.

`kill'
     The character to use delete a line if the echo check fails.  The
     default is `^U'.

`resend'
     The number of times to resend a line if the echo check continues to
     fail.  The default is 10.

`eofwrite'
     The string to write after sending a file with the `~>' command.
     The default is `^D'.

`eofread'
     The string to look for when receiving a file with the ` ~<'
     command.  The default is `$', which is intended to be a typical
     shell prompt.

`verbose'
     Whether to print accumulated information during a file transfer.
     The default is true.