use Module::Install

[MojoFacets.git] / README

diff --git a/README b/README
index 750c6f8..60f9b7a 100644 (file)
--- a/README
+++ b/README
@@ -44,17 +44,28 @@ any other dataset which has same unique values you can use helper script:
 
 Modify your data using perl snippets
 
-Experimental REPL console supports perl snippets which get $rec hash which is one
+Experimental REPL console supports perl snippets which get $row hash which is one
 element from your dataset. All values are repetable, so you always have to create
 array of values if you are creating new columns, even for single value.
 
 * generate new columns with number of elements in some other column
 
-  $rec->{count} = [ $#{ $rec->{original} } + 1 ];
+  $row->{author_count} = [ $#{ $row->{autor} } + 1 ];
 
 * generate century column from year
 
-  foreach my $year ( @{ $rec->{Year} } ) {
-    push @{ $rec->{century} }, int($year/100)+1;
+  foreach my $year ( @{ $row->{Year} } ) {
+    push @{ $row->{century} }, int($year/100)+1;
   }
 
+* modify existing column
+
+  foreach ( @{ $rec->{'Cited Author'} } ) {
+    s/^\.+//;
+    $_ = uc $_; # assigment is needed to modify value!
+  }
+
+Code examples are stored in public/code
+
+They use Column name.description.pl notatition so only snippets which have applicable
+column will be shown.