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Thomas S. Christiansen〔(【引用サイトリンク】publisher=Manta (web site) )〕 (born February 13, 1963), nicknamed "tchrist" or occasionally "thoth", is a Unix developer and user known for his work with the Perl programming language. Christiansen worked for several years at TSR Hobbies before attending the University of Wisconsin - Madison where he earned B.A.'s in Spanish and Computer Science, and an M.S. in Computer Science. He worked for five years at Convex Computer.〔(【引用サイトリンク】title=O'Reilly bio for Tom Christiansen )〕 In 1993, he established the Tom Christiansen Perl Consultancy, located in Lake Geneva, Wisconsin.〔 In 2010, he joined the Biomedical Text Mining Group at the University of Colorado School of Medicine. Christiansen, with a C-and-Unix background,〔(【引用サイトリンク】title=Higher-Order Perl - Preface )〕 was one of the early contributors to Perl after its public release in 1987. He presented the first public Perl tutorial in 1989 and wrote the first academic paper to highlight Perl in 1990.〔(【引用サイトリンク】url=http://history.perl.org/PerlTimeline.html )〕 He was the author of much of the core Perl documentation, including the manual pages perlfaq and perltoot, development of ''perl.com''.〔(【引用サイトリンク】title=LISA'98 12th System Administration Conference - Tutorial instructors )〕 In 1996, Christiansen wrote "''Csh Programming Considered Harmful''" about the limitations inherent in C Shell Programming.〔(【引用サイトリンク】url=http://www.faqs.org/faqs/unix-faq/shell/csh-whynot/ )〕 Books he co-authored include: *The second (1996) and third (2000) editions of Programming Perl. *The second (1997) edition of Learning Perl (and its spin-off Learning Perl on Win32 Systems). *The Perl Cookbook (1998). In 1999, Christiansen was one of the original recipients of the White Camel awards from Perl Mongers for his contribution to Perl's documentation.〔(【引用サイトリンク】title=White Camel Awards 1999 recipients )〕 Christiansen has been called a "Perl priest" and a "UNIX luminary". The common phrase "Only perl can parse Perl" is attributed to Tom Christiansen,〔(【引用サイトリンク】url=http://perl.org.il/misc.html#pl_vs_pl )〕 although it probably was inspired from "Only tex can understand TeX". Randal Schwartz also credits him with accidentally naming the Schwartzian Transform for optimizing some types of sorts.〔(【引用サイトリンク】author=Randal Schwartz )〕 This happened after Schwartz used it in a Usenet message, and Christiansen replied to the message giving some corrections and in one place said "the Schwartzian transform" to refer to the transform that Schwartz used. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Tom Christiansen」の詳細全文を読む スポンサード リンク
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