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Objective-C

CSV Append New Row

Demonstrates how to append a new row to a CSV.

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Objective-C
#import <CkoStringBuilder.h>
#import <CkoCsv.h>

BOOL success = NO;

//  We have the following CSV...

//  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]];

//  Let's say we want to append the following row:
//  yelp,Yelp,,web,San Francisco,CA,1-Jul-04,1000000,USD,a

//  If we have the row as-is, we could do this:
CkoCsv *csvTemp = [[CkoCsv alloc] init];
success = [csvTemp LoadFromString: @"yelp,Yelp,,web,San Francisco,CA,1-Jul-04,1000000,USD,a"];
int numCols = [csvTemp.NumColumns intValue];
int i = 0;
int row = [csv.NumRows intValue];
while (i < numCols) {
    [csv SetCell: [NSNumber numberWithInt: row] col: [NSNumber numberWithInt: i] content: [csvTemp GetCell: [NSNumber numberWithInt: 0] col: [NSNumber numberWithInt: i]]];
    i = i + 1;
}

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

//  Output should be:
//  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
//  yelp,Yelp,,web,San Francisco,CA,1-Jul-04,1000000,USD,a