B4X

CSV Append New Row

Demonstrates how to append a new row to a CSV. 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

csv.HasColumnNames = True
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:
Dim csvTemp As ChilkatCsv
csvTemp.Initialize
success = csvTemp.LoadFromString("yelp,Yelp,,web,San Francisco,CA,1-Jul-04,1000000,USD,a")
Dim numCols As Int = csvTemp.NumColumns
Dim i As Int = 0
Dim row As Int = csv.NumRows
Do While i < numCols
    csv.SetCell(row, i, csvTemp.GetCell(0, i))
    i = i + 1
Loop

'  Show the updated CSV:
Log(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