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(Objective-C) CSV Append New RowDemonstrates how to append a new row to a CSV.
#import <CkoStringBuilder.h> #import <CkoCsv.h> // 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 success; 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 |
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