English language
Published Jan. 29, 2012 by O'Reilly Media.
Unmatched Power for Text Processing and Scripting
English language
Published Jan. 29, 2012 by O'Reilly Media.
Pringing History
January 1991
First Edition.
August 1991
Minor Corrections.
March 1992
Minor Corrections.
September 1996
Second Edition.
July 2000
Third Edition.