Campbell-scientific CR800 and CR850 Measurement and Control Systems Uživatelský manuál stáhnout pdf (Strana 494)

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Appendix A. CRBasic Programming Instructions

494

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FileManage

Managesprogramfilesfromwithinarunningdataloggerprogram.

Syntax

FileManage("Device: FileName", Attribute)

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CR800drive.

Syntax

FileRename(drive:OldFileName, drive:NewFileName)

FileSize

ReturnsthesizeofafilestoredinCR800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")

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