# \typein

\typein[cmd]{msg}

Prints msg on the terminal and causes LaTeX to stop and wait for you to type a line of input, ending with return. If the cmd argument is missing, the typed input is processed as if it had been included in the input file in place of the \typein command. If the cmd argument is present, it must be a command name. This command name is then defined or redefined to be the typed input.

See also Terminal Input and Output
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Revised: Sheldon Green, 29 Sep 1995.