from the all-the-erasers-in-one-basket dept.
asjk writes "The controversial database includes millions of children and documents their names, addresses, disabilities other statistics and demographics. Federal law allows for the files to be shared with private companies. From the article: 'In operation just three months, the database already holds files on millions of children identified by name, address and sometimes social security number. Learning disabilities are documented, test scores recorded, attendance noted. In some cases, the database tracks student hobbies, career goals, attitudes toward school - even homework completion. Local education officials retain legal control over their students' information. But federal law allows them to share files in their portion of the database with private companies selling educational products and services."
egrep patterns are full regular expressions; it uses a fast deterministic
algorithm that sometimes needs exponential space.
-- unix manuals