View or download trigram.frink in plain text format
// Finds most common n-letter patterns in words.
default = "http://www.mindspring.com/~eliasen/twain/innocents/innocents.html"
url = input["Enter URL [Innocents Abroad HTML]: ", default]
len = eval[input["Enter character length: "]]
file = read[url]
file =~ %s/<[^>]*>//gs // Strip HTML
file =~ %s/[^a-z\s]//gsi // Remove non-letter characters.
file =~ %s/[\r\n]/ /gs // Remove linefeeds
file =~ %s/\s+/ /gs // Turn multiple spaces into single space.
file = lc[file]
print[join["\n",getGrams[file, len]]]
getGrams[str, len] :=
{
fileLen = length[str]
grams = dict[]
sum = 0
for i = 0 to (fileLen - len)
{
sub = substrLen[str, i, len];
// Comment this test out if you want to see the effects of spaces.
// if (sub =~ %r/\s/)
// next
sum = sum + 1
if ((count = grams@sub) != undef)
grams@sub = count + 1
else
grams@sub = 1
}
return sort[array[grams], { |a,b| a@1 <=> b@1 } ]
}
View or download trigram.frink in plain text format
This is a program written in the programming language Frink.
For more information, view the Frink
Documentation or see More Sample Frink Programs.
Alan Eliasen was born 17931 days, 11 hours, 17 minutes ago.