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40 lines
681 B
Plaintext
40 lines
681 B
Plaintext
NAME
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prompt - display a prompt and wait for input from terminal
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SYNOPSIS
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prompt(str)
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TYPES
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str string
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return string
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DESCRIPTION
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When prompt(str) is called and input is from a terminal, the string
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str is displayed and execution is halted until a newline ends a line
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read from the input; the string formed by the characters in the line
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(other than the newline) is returned as the value of prompt().
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EXAMPLE
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> x = prompt("? ");
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? 273
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> x
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"273"
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> for (;;) {s = prompt("? "); if (s=="end") break; print "\t":eval(s)^2;}
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? 3
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9
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? 2 + 3
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25
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? end
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>
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LIMITS
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none
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LIBRARY
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none
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SEE ALSO
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XXX - fill in
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