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.

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