System Function TS: Difference between revisions

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<h1><apl>{quad}TS</apl> - Time Stamp</h1>
<apll>{quad}TS</apll> is an ISO 13751 standard niladic system function which returns the current date and time in a 7-element array of year, month, day, hour, minute, second and milisecond. If the dialog below was typed into the NARS2000 session manager window on February 21, 2013 at about 10:49 pm local time, we would see something similar to the following:
<apll>{quad}TS</apll> is an ISO 13751 standard niladic system function which returns the current date and time in a 7-element array of year, month, day, hour, minute, second and milisecond. If the dialog below was typed into the NARS2000 session manager window on February 21, 2013 at about 10:49 pm local time, we would see something similar to the following:
  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<apll>K←{quad}TS<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{rho}K <br/>7 <br/> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;K<br/> 2013 2 21 22 43 23 724<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;K[1] <br/>2013</apll>
  &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<apll>K←{quad}TS<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{rho}K <br/>7 <br/> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;K<br/> 2013 2 21 22 43 23 724<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;K[1] <br/>2013</apll>

Revision as of 00:12, 22 February 2013

⎕TS - Time Stamp

⎕TS is an ISO 13751 standard niladic system function which returns the current date and time in a 7-element array of year, month, day, hour, minute, second and milisecond. If the dialog below was typed into the NARS2000 session manager window on February 21, 2013 at about 10:49 pm local time, we would see something similar to the following:

      K←⎕TS
      ⍴K
7
      K
2013 2 21 22 43 23 724
      K[1]
2013

⎕TS is a niladic function, you cannot assign a value to it, meaning NARS2000 cannot set the current date or time through ⎕TS. If you need to set the date or time, you have to use the appropriate feature of your operating system.

System Variables (A value may be assigned to these except for ⎕DM)
⎕ALX ⎕CT ⎕DM ⎕DT ⎕ELX ⎕FC ⎕FEATURE ⎕FPC ⎕IC ⎕IO
⎕LR ⎕LX ⎕PP ⎕PR ⎕PW ⎕RL ⎕SA ⎕WSID
Niladic System Functions (a value cannot be assigned to these)
⎕A ⎕AV ⎕EM ⎕ET ⎕LC ⎕NNAMES ⎕NNUMS ⎕SI ⎕SYSID ⎕SYSVER
⎕T ⎕TC ⎕TCBEL ⎕TCBS ⎕TCESC ⎕TCFF ⎕TCHT ⎕TCLF ⎕TCNL ⎕TCNUL
⎕TS ⎕WA
Monadic or dyadic system functions (a value cannot be assigned to these)
⎕AT ⎕CR ⎕DC ⎕DFT ⎕DL ⎕DR ⎕EA ⎕EC ⎕ERROR ⎕ES
⎕EX ⎕FMT ⎕FX ⎕MF ⎕NAPPEND ⎕NC ⎕NCREATE ⎕NERASE ⎕NINFO ⎕NL
⎕NLOCK ⎕NREAD ⎕NRENAME ⎕NREPLACE ⎕NRESIZE ⎕NSIZE ⎕NTIE ⎕NUNTIE ⎕STOP ⎕TF
⎕TRACE ⎕UCS ⎕VR
Note that quad functions and variables (except for the ⎕A family of functions) are case insensitive