duplicate lines

Submit

Language is selected by the extension of the file. See the list of supported languages to know the extension of your language.

Problem

output each lines twice

Options

exec is denied

now post-mortem time, all source codes will be revealed

Sample input:_

0
1
2
3
4
5
6
7
8
9
a
b
c
d
e
f

Sample output:

0
0
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
a
a
b
b
c
c
d
d
e
e
f
f

Sample input:_

Language 
is 
selected 
by 
extension. 
Supported 
types 
are:
Ruby(rb), 
Perl(pl), 
Python(py), 
PHP(php), 
Scheme(scm), 
Common LISP(l), 
Io(io), 
JavaScript(js), 
Lua(lua), 
Tcl(tcl), 
Smalltalk(st), 
Prolog(pro), 
Forth(for), 
BASIC(bas), 
Perl6(pl6), 
Erlang(erl), 
J(ijs), 
A+(a+), 
Mind(mind), 
C(c), 
C++(cpp), 
D(d), 
OCaml(ml), 
Haskell(hs), 
Ada(adb), 
ObjC(m), 
Java(java), 
Pascal(pas), 
Fortran(f95), 
C#(cs), 
COBOL(cob), 
Curry(curry), 
AWK(awk), 
sed(sed), 
Bash(sh), 
xgawk(xgawk), 
m4(m4), 
Postscript(ps), 
Brainfuck(bf), 
Whitespace(ws), 
Befunge(bef), 
Minus(ms), 
Unlambda(unl), 
D-compile-time(di), 
gas(s), 
x86(out)

Sample output:

Language 
Language 
is 
is 
selected 
selected 
by 
by 
extension. 
extension. 
Supported 
Supported 
types 
types 
are:
are:
Ruby(rb), 
Ruby(rb), 
Perl(pl), 
Perl(pl), 
Python(py), 
Python(py), 
PHP(php), 
PHP(php), 
Scheme(scm), 
Scheme(scm), 
Common LISP(l), 
Common LISP(l), 
Io(io), 
Io(io), 
JavaScript(js), 
JavaScript(js), 
Lua(lua), 
Lua(lua), 
Tcl(tcl), 
Tcl(tcl), 
Smalltalk(st), 
Smalltalk(st), 
Prolog(pro), 
Prolog(pro), 
Forth(for), 
Forth(for), 
BASIC(bas), 
BASIC(bas), 
Perl6(pl6), 
Perl6(pl6), 
Erlang(erl), 
Erlang(erl), 
J(ijs), 
J(ijs), 
A+(a+), 
A+(a+), 
Mind(mind), 
Mind(mind), 
C(c), 
C(c), 
C++(cpp), 
C++(cpp), 
D(d), 
D(d), 
OCaml(ml), 
OCaml(ml), 
Haskell(hs), 
Haskell(hs), 
Ada(adb), 
Ada(adb), 
ObjC(m), 
ObjC(m), 
Java(java), 
Java(java), 
Pascal(pas), 
Pascal(pas), 
Fortran(f95), 
Fortran(f95), 
C#(cs), 
C#(cs), 
COBOL(cob), 
COBOL(cob), 
Curry(curry), 
Curry(curry), 
AWK(awk), 
AWK(awk), 
sed(sed), 
sed(sed), 
Bash(sh), 
Bash(sh), 
xgawk(xgawk), 
xgawk(xgawk), 
m4(m4), 
m4(m4), 
Postscript(ps), 
Postscript(ps), 
Brainfuck(bf), 
Brainfuck(bf), 
Whitespace(ws), 
Whitespace(ws), 
Befunge(bef), 
Befunge(bef), 
Minus(ms), 
Minus(ms), 
Unlambda(unl), 
Unlambda(unl), 
D-compile-time(di), 
D-compile-time(di), 
gas(s), 
gas(s), 
x86(out)
x86(out)

Sample input:_

 * hello world
 * echo
 * 99 shinichiroes of hamaji
 * example_com
 * Smileys Triangle
 * tennis
 * permutater
 * delete blank lines
 * Dancing Kids
 * bowling scorer
 * e
 * Hamming Numbers
 * Hole in one
 * ultimate problem
 * Card Sharp
 * even lines
 * sort characters
 * Square root
 * Fibonacci Numbers
 * prime numbers
 * invert case
 * Expression
 * All Expressions
 * LCS
 * delete last line
 * swap lines
 * rotate lines
 * transpose lines
 * exit status
 * multi_key sort
 * show the way
 * Booklet Printing
 * Tak y
 * FizzBuzz
 * Little Endian Calculator
 * infix to postfix
 * Greatest Common Divisor
 * banner
 * HQ9Plus
 * Least Common Multiple
 * judge Janken
 * delete duplicate lines
 * reverse lines
 * palindromize
 * Phone Key Pad
 * L system
 * easy regexp
 * google
 * Tetris
 * Evil C Compiler
 * Bracket Matching
 * Nearest Smaller Value fixed version
 * right time
 * Circle Art
 * join lines

Sample output:

 * hello world
 * hello world
 * echo
 * echo
 * 99 shinichiroes of hamaji
 * 99 shinichiroes of hamaji
 * example_com
 * example_com
 * Smileys Triangle
 * Smileys Triangle
 * tennis
 * tennis
 * permutater
 * permutater
 * delete blank lines
 * delete blank lines
 * Dancing Kids
 * Dancing Kids
 * bowling scorer
 * bowling scorer
 * e
 * e
 * Hamming Numbers
 * Hamming Numbers
 * Hole in one
 * Hole in one
 * ultimate problem
 * ultimate problem
 * Card Sharp
 * Card Sharp
 * even lines
 * even lines
 * sort characters
 * sort characters
 * Square root
 * Square root
 * Fibonacci Numbers
 * Fibonacci Numbers
 * prime numbers
 * prime numbers
 * invert case
 * invert case
 * Expression
 * Expression
 * All Expressions
 * All Expressions
 * LCS
 * LCS
 * delete last line
 * delete last line
 * swap lines
 * swap lines
 * rotate lines
 * rotate lines
 * transpose lines
 * transpose lines
 * exit status
 * exit status
 * multi_key sort
 * multi_key sort
 * show the way
 * show the way
 * Booklet Printing
 * Booklet Printing
 * Tak y
 * Tak y
 * FizzBuzz
 * FizzBuzz
 * Little Endian Calculator
 * Little Endian Calculator
 * infix to postfix
 * infix to postfix
 * Greatest Common Divisor
 * Greatest Common Divisor
 * banner
 * banner
 * HQ9Plus
 * HQ9Plus
 * Least Common Multiple
 * Least Common Multiple
 * judge Janken
 * judge Janken
 * delete duplicate lines
 * delete duplicate lines
 * reverse lines
 * reverse lines
 * palindromize
 * palindromize
 * Phone Key Pad
 * Phone Key Pad
 * L system
 * L system
 * easy regexp
 * easy regexp
 * google
 * google
 * Tetris
 * Tetris
 * Evil C Compiler
 * Evil C Compiler
 * Bracket Matching
 * Bracket Matching
 * Nearest Smaller Value fixed version
 * Nearest Smaller Value fixed version
 * right time
 * right time
 * Circle Art
 * Circle Art
 * join lines
 * join lines

Ranking

Ruby _

Perl _

Python _

Python3 _

PHP _

Scheme _

Common LISP _

Arc _

Clojure _

Io _

JavaScript _

Lua _

Tcl _

Xtal _

Kite _

SNOBOL _

Icon _

Cyan _

Smalltalk _

Prolog _

Forth _

BASIC _

Perl6 _

Erlang _

J _

A+ _

K _

C _

D _

OCaml _

Haskell _

Ada _

Java _

Pascal _

C# _

Nemerle _

Maxima _

Octave _

REBOL _

Asymptote _

AWK _

sed _

jq _

Bash _

Bash (builtins) _

Zsh _

Fish _

wake _

xgawk _

Postscript _

R _

VHDL _

Brainfuck _

Whitespace _

Befunge _

><> _

Minus _

GolfScript _

gs2 _

FlogScript _

Burlesque _

Unlambda _

Lazy-K _

Universal Lambda _

z80 _

Vim _

goruby _

Groovy _

Logo _

Language Ranking_

Referer

Note that, they may contain spoilers.

• http://www.math.sansu.org/u/diary/?date=20070604
• http://yowaken.dip.jp/tdiary/20070910.html
• http://yowaken.dip.jp/tdiary/200709.html
• http://uhideyuki.sakura.ne.jp/uDiary/?date=20070411
• http://www.math.sansu.org/u/diary/?date=20070410
• http://www.mokehehe.com/assari/index.php?Haskell%2Fgolf
• http://www.math.sansu.org/u/diary/?date=200704
• http://uhideyuki.sakura.ne.jp/uDiary/?date=20070604
• http://mono.kmc.gr.jp/~yhara/files/anagol.html
• http://www.math.sansu.org/u/diary/
• http://uhideyuki.sakura.ne.jp/uDiary/

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