FP::Text::CSV - functional interface to Text::CSV
use FP::Text::CSV qw(csv_line_xparser csv_fh_to_rows csv_file_to_rows rows_to_csv_fh rows_to_csv_file); my $csvparams= +{sep_char=> ";", eol=> "\n"}; # $csvparams and any of its entries are optional, # defaults are taken from $FP::Text::CSV::defaults use Chj::xopen qw(xopen_read xopen_write); use FP::List; use FP::Stream; use FP::Equal 'is_equal'; mkdir ".tmp"; # -- Output: --- my $rows= cons [ "i", "i^2" ], stream_iota->map(sub { my ($i)=@_; [ $i, $i*$i ] })->take(100); rows_to_csv_fh (Keep($rows), xopen_write(".tmp/a1.csv"), $csvparams); # or rows_to_csv_file ($rows, ".tmp/a2.csv", $csvparams); # -- Input: --- my $p= csv_line_xparser $csvparams; my @vals= &$p("1;2;3;4\n"); is_equal \@vals, [1,2,3,4]; my $itemstream1= csv_fh_to_rows(xopen_read(".tmp/a1.csv"), $csvparams); # or my $itemstream2= csv_file_to_rows(".tmp/a2.csv", $csvparams); is_equal $itemstream1, $itemstream2; is_equal $itemstream2->first, [ "i", "i^2" ]; is_equal $itemstream2->second, [ 0, 0 ]; is_equal $itemstream2->ref(10), [ 9, 81 ];
Handle CSV input and output in the form of functional streams (lazily computed linked lists).
This is alpha software! Read the status section in the package README or on the website.
To install FunctionalPerl, copy and paste the appropriate command in to your terminal.
cpanm
cpanm FunctionalPerl
CPAN shell
perl -MCPAN -e shell install FunctionalPerl
For more information on module installation, please visit the detailed CPAN module installation guide.