home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
QBasic & Borland Pascal & C
/
Delphi5.iso
/
Basic
/
Q_BASIC.450
/
STAT_EX.BAS
< prev
next >
Wrap
BASIC Source File
|
1988-09-17
|
1KB
|
49 lines
' *** STAT2_EX.BAS - STATIC statement programming example
'
INPUT "Name of file";F1$
INPUT "String to replace";Old$
INPUT "Replace with";Nw$
Rep = 0 : Num = 0
M = LEN(Old$)
OPEN F1$ FOR INPUT AS #1
CALL Extension
OPEN F2$ FOR OUTPUT AS #2
DO WHILE NOT EOF(1)
LINE INPUT #1, Temp$
CALL Search
PRINT #2, Temp$
LOOP
CLOSE
PRINT "There were ";Rep;" substitutions in ";Num;" lines."
PRINT "Substitutions are in file ";F2$
END
SUB Extension STATIC
SHARED F1$,F2$
Mark = INSTR(F1$,".")
IF Mark = 0 THEN
F2$ = F1$ + ".NEW"
ELSE
F2$ = LEFT$(F1$,Mark - 1) + ".NEW"
END IF
END SUB
SUB Search STATIC
SHARED Temp$,Old$,Nw$,Rep,Num,M
STATIC R
Mark = INSTR(Temp$,Old$)
WHILE Mark
Part1$ = LEFT$(Temp$,Mark - 1)
Part2$ = MID$(Temp$,Mark + M)
Temp$ = Part1$ + Nw$ + Part2$
R = R + 1
Mark = INSTR(Temp$,Old$)
WEND
IF Rep = R THEN
EXIT SUB
ELSE
Rep = R
Num = Num + 1
END IF
END SUB