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D.2.5.9 pause
Procedure from library inout.lib (see inout_lib).
- Usage:
- pause([ prompt ]) prompt string
- Return:
- none
- Purpose:
- interrupt the execution of commands, displays prompt or pause
and waits for user input
- Note:
- pause is useful in procedures in connection with printlevel to
interrupt the computation and to display intermediate results.
Example:
| | LIB "inout.lib";
// can only be shown interactively, try the following commands:
// pause("press to continue");
// pause();
// In the following pocedure TTT, xxx is printed and the execution of
// TTT is stopped until the return-key is pressed, if printlevel>0.
// xxx may be any result of a previous computation or a comment, etc:
//
// proc TTT
// { int pp = printlevel-voice+2; //pp=0 if printlevel=0 and if TTT is
// .... //not called from another procedure
// if( pp>0 )
// {
// print( xxx );
// pause("press to continue");
// }
// ....
// }
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See also:
printlevel;
read.
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