(Ruby) CSV Set Cell by Index or Name

Demonstrates how to update the value of a CSV cell, or add new cells.

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

# 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

bCrlf = true
sb = Chilkat::CkStringBuilder.new()
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)

csv = Chilkat::CkCsv.new()

csv.put_HasColumnNames(true)
success = csv.LoadFromString(sb.getAsString())

# Update the city "Gilbert" to "Tuscon".
csv.SetCell(3,4,"Tuscon")

# Add a new row.
row_idx = csv.get_NumRows()
csv.SetCellByName(row_idx,"permalink","yelp")
csv.SetCellByName(row_idx,"company","Yelp")
csv.SetCellByName(row_idx,"numEmps","")
csv.SetCellByName(row_idx,"category","web")
csv.SetCellByName(row_idx,"city","San Francisco")
csv.SetCellByName(row_idx,"state","CA")
csv.SetCellByName(row_idx,"fundedDate","1-Jul-04")
csv.SetCellByName(row_idx,"raisedAmt","1000000")
csv.SetCellByName(row_idx,"raisedCurrency","USD")
csv.SetCellByName(row_idx,"round","a")

# Show the updated CSV:
print csv.saveToString() + "\n";

# 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,Tuscon,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