scriptable-client-installers/tools/Examples/primes.nsi
2023-12-15 16:09:19 -05:00

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; primes.nsi
;
; This is an example of the possibilities of the NSIS Script language.
; It calculates prime numbers.
;--------------------------------
Name "primes"
AllowRootDirInstall true
OutFile "primes.exe"
Caption "Prime number generator"
ShowInstDetails show
AllowRootDirInstall true
InstallDir "$EXEDIR"
RequestExecutionLevel user
DirText "Select a directory to write primes.txt. $_CLICK"
;--------------------------------
;Pages
Page directory
Page instfiles
;--------------------------------
Section ""
SetOutPath $INSTDIR
Call DoPrimes
SectionEnd
;--------------------------------
Function DoPrimes
; we put this in here so it doesn't update the progress bar (faster)
!define PPOS $0 ; position in prime searching
!define PDIV $1 ; divisor
!define PMOD $2 ; the result of the modulus
!define PCNT $3 ; count of how many we've printed
FileOpen $9 $INSTDIR\primes.txt w
DetailPrint "2 is prime!"
FileWrite $9 "2 is prime!$\r$\n"
DetailPrint "3 is prime!"
FileWrite $9 "3 is prime!$\r$\n"
Strcpy ${PPOS} 3
Strcpy ${PCNT} 2
outerloop:
StrCpy ${PDIV} 3
innerloop:
IntOp ${PMOD} ${PPOS} % ${PDIV}
IntCmp ${PMOD} 0 notprime
IntOp ${PDIV} ${PDIV} + 2
IntCmp ${PDIV} ${PPOS} 0 innerloop 0
DetailPrint "${PPOS} is prime!"
FileWrite $9 "${PPOS} is prime!$\r$\n"
IntOp ${PCNT} ${PCNT} + 1
IntCmp ${PCNT} 100 0 innerloop
StrCpy ${PCNT} 0
MessageBox MB_YESNO "Process more?" IDNO stop
notprime:
IntOp ${PPOS} ${PPOS} + 2
Goto outerloop
stop:
FileClose $9
FunctionEnd