Hashes are dictionaries ... $age{Peter} is pronounced age-of-Peter
$price{hammer} price-of-hammer
$definition{dictionary} definition-of-dictionary ... more on this type of thing in Re^3: highest value in hash (virtual teddybear)

Speaking of csv and dictionary-of-@fields :) you could even use the technique with fixed with records :)

Examples at

• Re: hash_reference from file, Re^2: hash_reference from file
• join - join two files according to a common key
• part - split up files according to column value
• Merge two files with similar column entries
• Opening multiple files ( csvpaste.pl )
• Open multiple file handles?
• X, Y Table structure
• How to extract the particular residues from PDB files(text csv split hash bioperl)
• Select only desired features from a text (text csv split hash bioperl)
• Sort on Table headers (text csv split hash bioperl)
• I need help joining tab-delimited files/tables!
• split then join based on common value in field
• Smart way to read a file vertically?
• reformatting tab delimited file
• edit a CSV and "in-place" replacement
• Re: Reversing a mysql table, transpose-tsv -- invert a tab-delimited table

• Text::CSV

  examples/csv2xls	Script to onvert CSV files to M$Excel
  examples/csv-check	Script to check a CSV file/stream
  examples/csvdiff	Script to shoff diff between sorted CSV files
  examples/parser-xs.pl	Parse CSV stream, be forgiving on bad lines

 [CSV hash ] CSV hash

Best way to match a hash with large CSV file

perl hash to CSV using Text::CSV_XS

Issue parsing CSV into hashes?

Veriable Length Array/Hash derived from CSV to populate an XML

extracting data from CSV files and making hash of hashes

Re^2: build hash from csv file

Encoding a hash in perl before saving it as a CSV file

hash from CSV-like structure

Read the csv file to a hash....

Parsing CSV into a hash

build hash from csv file

Converting a CSV list to a list of hashrefs naming the fields

merging csv files into a third file preserving column & row