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Ingy döt Net 2023-07-01 11:58:00 -04:00
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commit cb5bb5e222
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Task/Text-processing-Max-licenses-in-use/PL-I/text-processing-max-licenses-in-use.pli Normal file
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text3: procedure options (main); /* 19 November 2011 */
declare line character (80) varying;
declare (nout, max_nout) fixed;
declare saveline character (80) varying controlled;
declare k fixed binary;
declare in file input;
open file (in) title ('/TEXT-MAX.DAT,TYPE(TEXT),RECSIZE(80)' );
on endfile (in) go to finish_up;
max_nout, nout = 0;
do forever;
get file (in) edit (line) (L);
if substr(line, 9, 4) = 'OUT' then nout = nout+1;
else if substr(line, 9, 3) = 'IN' then
nout = nout-1;
if nout = max_nout then
do; allocate saveline; saveline = line; end;
if nout > max_nout then
do;
do while (allocation(saveline) > 0); free saveline; end;
max_nout = nout;
allocate saveline;
saveline = line;
end;
end;
finish_up:
put skip list ('The maximum number of licences taken out = ' || max_nout);
do while (allocation(saveline) > 0);
k = index(saveline, '@');
if k > 0 then put skip list ('It occurred at ' || substr(saveline, k+1) );
free saveline;
end;
end text3;