Tcl

CSV Append New Row

Demonstrates how to append a new row to a CSV. Tcl

load ./chilkat.dll

set success 0

# 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

set bCrlf 1
set sb [new_CkStringBuilder]

CkStringBuilder_AppendLine $sb "permalink,company,numEmps,category,city,state,fundedDate,raisedAmt,raisedCurrency,round" $bCrlf
CkStringBuilder_AppendLine $sb "lifelock,LifeLock,,web,Tempe,AZ,1-May-07,6850000,USD,b" $bCrlf
CkStringBuilder_AppendLine $sb "mycityfaces,MyCityFaces,7,web,Scottsdale,AZ,1-Jan-08,50000,USD,seed" $bCrlf
CkStringBuilder_AppendLine $sb "flypaper,Flypaper,,web,Phoenix,AZ,1-Feb-08,3000000,USD,a" $bCrlf
CkStringBuilder_AppendLine $sb "infusionsoft,Infusionsoft,105,software,Gilbert,AZ,1-Oct-07,9000000,USD,a" $bCrlf
CkStringBuilder_AppendLine $sb "gauto,gAuto,4,web,Scottsdale,AZ,1-Jan-08,250000,USD,seed" $bCrlf

set csv [new_CkCsv]

CkCsv_put_HasColumnNames $csv 1
set success [CkCsv_LoadFromString $csv [CkStringBuilder_getAsString $sb]]

# 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:
set csvTemp [new_CkCsv]

set success [CkCsv_LoadFromString $csvTemp "yelp,Yelp,,web,San Francisco,CA,1-Jul-04,1000000,USD,a"]
set numCols [CkCsv_get_NumColumns $csvTemp]
set i 0
set row [CkCsv_get_NumRows $csv]
while {$i < $numCols} {
    CkCsv_SetCell $csv $row $i [CkCsv_getCell $csvTemp 0 $i]
    set i [expr $i + 1]
}

# Show the updated CSV:
puts [CkCsv_saveToString $csv]

# 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

delete_CkStringBuilder $sb
delete_CkCsv $csv
delete_CkCsv $csvTemp