Objective-C

CSV Append a Column with Values

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Append an additional column and initialize with a value. Objective-C

#import <CkoStringBuilder.h>
#import <CkoCsv.h>

BOOL success = NO;

// First initialize the CSV with content.  

// permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round
// lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b
// mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed
// flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a
// infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a
// gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed

BOOL bCrlf = YES;
CkoStringBuilder *sb = [[CkoStringBuilder alloc] init];
[sb AppendLine: @"permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round" crlf: bCrlf];
[sb AppendLine: @"lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b" crlf: bCrlf];
[sb AppendLine: @"mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed" crlf: bCrlf];
[sb AppendLine: @"flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a" crlf: bCrlf];
[sb AppendLine: @"infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a" crlf: bCrlf];
[sb AppendLine: @"gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed" crlf: bCrlf];

CkoCsv *csv = [[CkoCsv alloc] init];

csv.HasColumnNames = YES;
success = [csv LoadFromString: [sb GetAsString]];

// Show the initial CSV:
NSLog(@"%@",[csv SaveToString]);
NSLog(@"%@",@"----");

// Now let's add a new rightmost column.
int numColumns = [csv.NumColumns intValue];
int numRows = [csv.NumRows intValue];

// Set the column name.
int columnIdx = numColumns;
[csv SetColumnName: [NSNumber numberWithInt: columnIdx] columnName: @"new_column"];

// Add the column to each row.
int i = 0;
while (i < numRows) {
    [csv SetCell: [NSNumber numberWithInt: i] col: [NSNumber numberWithInt: columnIdx] content: @"newData"];
    i = i + 1;
}

// Show the updated CSV:
NSLog(@"%@",[csv SaveToString]);