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psion/opl #1338, from amalkin, 361 chars, Aug 17 11:51 94
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Finding the date and time of data files in OPL
I am writing an application in OPL to do with foreign language 
learning. In it, an increasing number of data files is created.
Files are regularly accessed either by choice (of name) or according 
to age.
Can anyone tell me how I can get the date and time a data file was 
last modified in OPL?

TIA
:-)
Anthony


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psion/opl #1339, from perseus, 855 chars, Aug 17 23:56 94
Comment to 1338. 
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Here's one I prepared earlier...

>--->--->---

PROC GetDate&:(N$)
  GLOBAL F$(131)
  GLOBAL ax%,bx%,cx%,dx%,si%,di%
  GLOBAL Stat&(4)

  F$=N$+CHR$(0)
  bx%=ADDR(F$)+1
  cx%=ADDR(Stat&(1))

  ax%=$0800 : REM FilStausGet, Sync
  IF (OS($0087,ADDR(ax%)) AND 1)=1
    Stat&(3)=ax% AND &000000FF
  ENDIF
  RETURN(Stat&(3))
ENDP

>--->--->---

DateGet&:(f$) returns a long integer, which is the last modification date 
(in seconds from midnight 1/1/1970) of the file in f$, as given by the 
system.

NOTE : I think that the value returned may not always be correct, ie I 
think the system doesn't waste space updating this value when records are 
added/amended.  If so, you'll need another routine...

For your info, Stat&(2) gives file size.  The low 16 bits of Stat&(1) 
give the file version number, and the high 16 bits are the file 
attributes.

Percy.