Updating field vfp5

08-Jul-2018 16:41 by 2 Comments

Updating field vfp5 - webgam balk ysex

This article was originally written using Visual Fox Pro version 6, and has since been updated for VFP 7 and VFP 8.

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TXT" ) && 3.2 mb in size FOR i = 0 TO 7 n Occ = i*100 1 t1 = SECONDS() ? [AT( "Russia", x, ] Transform( n Occ ) [ )], t2-t1 && 0.180 sec on average ENDFOR LOCAL x, y, i, t1, t2 SET MEMOWIDTH TO 8000 x = FILETOSTR( home() "Genhtml.prg" ) && 767 lines t1 = SECONDS() FOR i = 1 TO MEMLINES( x ) y = MLINE( x, i ) ENDFOR t2 = SECONDS() ?

This section discusses a wide variety of string manipulation techniques in Visual Fox Pro.

Lets say weve got some text in our environment, now lets muck with it.

wp Lines[i] ENDFOR FCLOSE( h ) LOCAL t1, t2, x, h LOCAL ARRAY wp Lines[15] CLEAR t1 = SECONDS() h = FOPEN( "War And Peace.

TXT" ) && 3.2 mb in size FSEEK( h, 1500000 ) && Move the pointer x = FREAD( h, 1000 ) && Read 1000 bytes t2 = SECONDS() ?

"Using MLINE()", t2-t1, "seconds" && 22.151 seconds LOCAL x, y, i, t1, t2 SET MEMOWIDTH TO 8000 x = FILETOSTR( home() "Genhtml.prg" ) && 767 lines t1 = SECONDS() _mline = 0 FOR i = 1 TO MEMLINES( x ) y = MLINE( x, 1, _MLINE ) ENDFOR t2 = SECONDS() ?

"Using MLINE() with _MLINE", SECONDS()-z, "seconds" && 0.451 seconds LOCAL x, i, y, ti, t2 LOCAL ARRAY la Array[1] x = FILETOSTR( home() "Genhtml.prg" ) && 767 lines t1 = SECONDS() FOR i = 1 TO ALINES( la Array, x ) y = la Array[i] ENDFOR t2 = SECONDS() ?TXT" ) && 3.2 mb in size FOR i = 1 TO ALEN( a Strings ) t1 = SECONDS() ? [OCCURS( "] a Strings[i] [", x )], t2-t1, "seconds" && 0.401 seconds avg ENDFOR Locating sub-strings in strings is something VFP does really well.One of the basic tasks in almost any string manipulation is locating sub strings within larger strings.LOCAL t1, t2, x, ln At Pos x = FILETOSTR( "War And Peace.TXT" ) && 3.2 mb in size t1 = SECONDS() ln At Pos = ATC( "the end", x ) t2 = SECONDS() ? [ATC( "the end", x )], t2-t1, "seconds" && 0.110 seconds ? LOCAL t1, t2, x, i LOCAL ARRAY a Strings[5] a Strings[1] = "Russia" && 775 occurences a Strings[2] = "Anna" && 293 occurences a Strings[3] = "Czar" && 4 occurences a Strings[4] = "windows" && 23 occurences a Strings[5] = "Pentium" && 0 occurences x = FILETOSTR( "War And Peace.There are many ways to determine if a sub-string exists in a string.