B4X

CSV Delete Column by Name

Demonstrates the DeleteColumnByName method. B4X

Dim success As Boolean = False

'  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

Dim bCrlf As Boolean = True
Dim sb As ChilkatStringBuilder
sb.Initialize
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)

Dim csv As ChilkatCsv
csv.Initialize

'  Indicate that the 1st line contains column names.
csv.HasColumnNames = True
success = csv.LoadFromString(sb.GetAsString)

'  Delete the "city" column.
success = csv.DeleteColumnByName("city")

Log(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