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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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7
Task/Sleep/REXX/sleep-1.rexx Normal file
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/*REXX program sleeps X seconds (the number of seconds is supplied via the argument).*/
parse arg secs . /*obtain optional argument from the CL.*/
if secs=='' | secs=="," then secs=0 /*Not specified? Then assume 0 (zero).*/
say 'Sleeping' secs "seconds." /*inform the invoker what's happening. */
call delay secs /*Snooze. Hopefully, just a short nap.*/
say 'Awake!' /*and now inform invoker we're running.*/
/*stick a fork in it, we're all done. */

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Task/Sleep/REXX/sleep-2.rexx Normal file
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/*REXX program delays (or SLEEPS) a number of whole seconds; fractional secs are ignored*/
trace off /*suppress REXX error messages. */
parse arg ! /*obtain all the arguments. */
if !all(arg()) then exit /*documentation requested ? */
if !cms then address '' /*if CMS, then use fast cmd path.*/
signal on halt /*handle HALT gracefully. */
signal on noValue /*handle the REXX noValue error. */
signal on syntax /*handle the REXX syntax errors. */
/*┌────────────────────────────────────────────────────────────────────┐
┌─┘ The DELAY function is used to delay (wait) a specific amount of └─┐
│ (wall-clock) time specified in seconds. Any fraction part is ignored.│
│ │
│ If the REXX program invoking DELAY function is running under PC/REXX │
│ or Personal REXX, this REXX program should never be invoked as those │
└─┐ REXXes have their own built-in function (BIF) named "DELAY". ┌─┘
└────────────────────────────────────────────────────────────────────┘*/
@cpsleep = 'CP SLEEP' /*point to the (CP) SLEEP command*/
@ping = 'PING' /* " " " DOS PING " */
parse var ! n _ /*parse argument from the parms. */
if _\=='' | arg()>1 then call er 59 /*are there too many arguments ? */
if n=='' then n=1 /*No args? Then assume 1 second*/
if \isNum(n) then call er 53,n 'delay-seconds' /*is n not numeric? Error. */
n=n%1 /*elide any fractional second. */
if n<=0 then return 0
/* ┌────────────────────┐ */
/* │ delay n seconds. │ */
/* └────────────────────┘ */
select
when !cms then @cpsleep n%1 "SEC" /*is this CMS? Then use CP SLEEP*/
when !tso then call sleep n%1 /* " " TSO? " " SLEEP */
when !regina then call sleep n%1 /* " " Regina? " " " */
when !dos then @ping '-n' n "127.0.0.1 > NUL" /* " " DOS? " " PING */
otherwise nop
end /*select*/
return 0 /*return a zero value to invoker.*/
/*─────────────────────────────general 1─line subroutines───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────*/
!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=3=='f3'x; if !crx then !env="DOS"; 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"; !crx=left(!sys,6)=='DOSCRX'; call !rex; return
!var: call !fid; if !kexx then return space(dosenv(arg(1))); return space(value(arg(1), , !env))
er: parse arg _1,_2; call '$ERR' "14"p(_1) p(word(_1,2) !fid(1)) _2; if _1<0 then return _1; exit result
p: return word(arg(1), 1)
halt: call er .1
isNum: return datatype(arg(1), 'N')
noValue: !sigl=sigl; call er 17, !fid(2) !fid(3) !sigl condition('D') sourceline(!sigl)
syntax: !sigl=sigl; call er 13, !fid(2) !fid(3) !sigl !cal() condition('D') sourceline(!sigl)