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| operator | system-call | ||||
| Sample Code | Related Syntax | Related Concepts | |||
| Summary | Numeric The numeric value of the command from the system. | 
system-call string-expression
Allows an operating-system-specific command to be executed in an OmniMark program.This operator must be followed by a string expression that contains a system-specific command. system-call invokes that command and returns the numeric result code returned by that command when it completes its task. 
Because the system-call operator returns a numeric value, it must be used in a context where a numeric expression is required. The string expression contains the name of the program to run, as well as any command-line arguments that are being passed to it. 
The function being provided by system-call and the value it returns depends on the system on which OmniMark is running. The built-in stream #platform-info can supply some of this information.
| Sample Code System-calls | Related Syntax #platform-info | Related Concepts OmniMark: running other programs from Security considerations | 
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