2.1.13.2 export_ascii_data


Description

Export specified data ranges from worksheet to an ASCII file.

Syntax

int export_ascii_data( file * pf, LPCTSTR lpcszWksRange, uint nRSize, int * pR1, int * pR2, uint nCSize, int * pC1, int * pC2, LPCSTR lpcszSep, BOOL bCheckAddQuotes = FALSE, BOOL bLabel = FALSE, int * pAddXCol = NULL, double * pX0 = NULL, double * pXInc = NULL, DWORD dwCntrl = GDAT_FULL_PRECISION, LPCSTR lpcszSubfix = NULL)

Parameters

pf
[input] the handle of the destination file
lpcszWksRange
[input] the range string including the name of matrix page and the name of matrix sheet
nRSize
[input] number of row ranges
pR1
[input] buffer containing lower bound of row ranges
pR2
[input] buffer containing upper bound of row ranges
nCSize
[input] number of column ranges
pC1
[input] buffer containing lower bound of column ranges
pC2
[input] buffer containing upper bound of column ranges
lpcszSep
[input] separator between values in output file
bCheckAddQuotes
[input] if export to csv, check to replace CRLF and add double-quotes
bLabel
[input] whether to add row label in exported file
pAddXCol
[input] if not NULL, contains values indicating whether have sampling interval in each column
pX0
[input] sampling interval's start
pXInc
[input] sampling interval's increment
dwCntrl
[input] control bits, can be GDAT_FULL_PRECISION(get numeric data with full precision) and GDAT_MISSING_AS_DASHDASH(get missing value as '--')
lpcszSubfix
[input]

Return

return 0 for success, else return error code. -1 if pf is NULL, -2 if lpcszBook or lpcszSheet or lpcszSep is NULL.

Examples

EX1

#include <oExtFile.h>
void    export_ascii_data_ex1()
{
    WorksheetPage wksPage;
    wksPage.Create("Origin");
    Worksheet wks = wksPage.Layers(); 
    
    Column colA(wks, 0);
    Column colB(wks, 1);
    
    vector& vA = colA.GetDataObject();
    vA.Data(0.5, 50, 0.5); // assigne data from 1 to 100 to column A
    vector& vB = colB.GetDataObject();
    vB = vA * 10;    
    
    file ff;
    if ( !ff.Open("C:\\ExpWksData.txt", file::modeCreate|file::modeWrite) )
        return;//fail to open file for write
    
    vector<int> vnR1 = {0, 20};
    vector<int> vnR2 = {9, 29};
    int nRSize = vnR1.GetSize();
    
    vector<int> vnC1 = {0};
    vector<int> vnC2 = {1};
    int nCSize = vnC1.GetSize();
    
    string strRange;
    wks.GetRangeString(strRange);        
    LPCSTR     lpcszSep = "\t";
    BOOL     bCheckAddQuotes = FALSE;
    BOOL     bLabel = FALSE;    
    int     nRet = export_ascii_data(&ff, strRange, nRSize, vnR1, vnR2, nCSize, vnC1, vnC2, lpcszSep, bCheckAddQuotes, bLabel);
    if ( nRet == 0 )
        printf("Export ASCII file successfully!");
    return;    
}

Remark

See Also

Header to Included

oExtFile.h

Reference