The %else directive – HP SunSoft Pascal 4.0 User Manual
Page 274
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Pascal 4.0 User’s Guide
A
Example
The
%else
Directive
The
%else
directive provides an alternative action to the
%if
directive.
Syntax
%if
expression
%then
.
.
%else
.
.
%endif
The Pascal program,
debug.p
program debug_example(output);
{ This program demonstrates the use of the
%debug compiler directive. }
begin
writeln ('Hello, how are you?');
%debug; writeln ('Fine, thank you.');
end. { debug example }
The output when you compile
debug.p
without the
–cond
option
hostname% pc -xl debug.p
hostname% a.out
Hello, how are you?
The output when you use
–cond
hostname% pc -xl –cond debug.p
hostname% a.out
Hello, how are you?
Fine, thank you.
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