Campbell-scientific CR3000 Micrologger Uživatelský manuál stáhnout pdf (Strana 519)

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Appendix A. CRBasic Programming Instructions

519

FileOpen

OpensanASCIItextfileorabinaryfileforwritingorreading.

Syntax

FileHandle = FileOpen("FileName", "Mode", SeekPoint)

FileRead

ReadsafilereferencedbyFileHandleandstorestheresultsinavariableor

variablearray.

Syntax

FileRead(FileHandle, Destination, Length)

FileReadLine

ReadsalineinafilereferencedbyaFileHandleandstorestheresultinavariable

orvariablearray.

Syntax

FileReadLine(FileHandle, Destination, Length)

FileRename

ChangesthenameoffileonaCR3000drive.

Syntax

FileRename(drive:OldFileName, drive:NewFileName)

FileSize

ReturnsthesizeofafilestoredinCR3000memory.

Syntax

FileSize(FileHandle)

FileTime

ReturnsthetimethefilespecifiedbytheFileHandlewascreated.

Syntax

Variable = FileTime(FileHandle)

FileWrite

WritesASCIIorbinarydatatoafilereferencedintheprogrambyFileHandle.

Syntax

FileWrite(FileHandle, Source, Length)

Include

Insertscodefromafile(Filename)atthepositionoftheInclude()instructionat

compiletime.Includecannotbenested.

Syntax

Include("Device:Filename")

NewFile

Determinesifafilestoredonthedataloggerhasbeenupdatedsincethe

instructionwaslastrun.Typicallyusedwithimagefiles.

Syntax

NewFile(NewFileVar, "FileName")

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