Dart

CSV Delete Column by Name

Demonstrates the DeleteColumnByName method. Dart

import 'package:chilkat/chilkat.dart';

void main() {
  // 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

  final bCrlf = true;
  final sb = CkStringBuilder();
  sb.appendLine('permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round', bCrlf);
  sb.appendLine('lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b', bCrlf);
  sb.appendLine('mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed', bCrlf);
  sb.appendLine('flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a', bCrlf);
  sb.appendLine('infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a', bCrlf);
  sb.appendLine('gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed', bCrlf);

  final csv = CkCsv();

  // Indicate that the 1st line contains column names.
  csv.hasColumnNames = true;
  csv.loadFromString(sb.getAsString());

  // Delete the "city" column.
  csv.deleteColumnByName('city');

  print(csv.saveToString());

  // Output is:

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