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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Video-display-modes/REXX/video-display-modes-1.rexx Normal file
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/*REXX program to switch video display modes based on columns and lines.*/
parse arg cols lines .
'MODE' "CON: COLS="cols 'LINES='lines
/*stick a fork in it, we're done.*/

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Task/Video-display-modes/REXX/video-display-modes-2.rexx Normal file
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/*REXX program to switch video display modes based on columns and lines.*/
parse arg !; if !all() then exit /*exit if documentation specified*/
if \!dos & \!os2 then exit /*if this isn't DOS, then exit. */
parse arg cols lines .
'MODE' "CON: COLS="cols 'LINES='lines
exit /*stick a fork in it, we're done.*/
/*══════════════════════════════════general 1-line subs═════════════════*/
!all:!!=!;!=space(!);upper !;call !fid;!nt=right(!var('OS'),2)=='NT';!cls=word('CLS VMFCLEAR CLRSCREEN',1+!cms+!tso*2);if arg(1)\==1 then return 0;if wordpos(!,'? ?SAMPLES ?AUTHOR ?FLOW')==0 then return 0;!call=']$H';call '$H' !fn !;!call=;return 1
!cal:if symbol('!CALL')\=="VAR" then !call=;return !call
!env:!env='ENVIRONMENT';if !sys=='MSDOS'|!brexx|!r4|!roo then !env='SYSTEM';if !os2 then !env='OS2'!env;!ebcdic=1=='f0'x;return
!fid:parse upper source !sys !fun !fid . 1 . . !fn !ft !fm .;call !sys;if !dos then do;_=lastpos('\',!fn);!fm=left(!fn,_);!fn=substr(!fn,_+1);parse var !fn !fn '.' !ft;end;return word(0 !fn !ft !fm,1+('0'arg(1)))
!rex:parse upper version !ver !vernum !verdate .;!brexx='BY'==!vernum;!kexx='KEXX'==!ver;!pcrexx='REXX/PERSONAL'==!ver|'REXX/PC'==!ver;!r4='REXX-R4'==!ver;!regina='REXX-REGINA'==left(!ver,11);!roo='REXX-ROO'==!ver;call !env;return
!sys:!cms=!sys=='CMS';!os2=!sys=='OS2';!tso=!sys=='TSO'|!sys=='MVS';!vse=!sys=='VSE';!dos=pos('DOS',!sys)\==0|pos('WIN',!sys)\==0|!sys=='CMD';call !rex;return
!var:call !fid;if !kexx then return space(dosenv(arg(1)));return space(value(arg(1),,!env))