Jan Kończak

user@host ~ $ ls
b  t  x
user@host ~ $ cat b
99 little bugs in the code.
99 little bugs in the code.
Take one down, patch it around,
127 little bug in the code...
        (common proverb)
user@host ~ $ cat t
Does a good farmer neglect a crop he has planted?
Does a good teacher overlook even the most humble student?
Does a good father allow a single child to starve?
Does a good programmer refuse to maintain his code?
user@host ~ $ cat b t
99 little bugs in the code.
99 little bugs in the code.
Take one down, patch it around,
127 little bug in the code...
        (common proverb)
Does a good farmer neglect a crop he has planted?
Does a good teacher overlook even the most humble student?
Does a good father allow a single child to starve?
Does a good programmer refuse to maintain his code?
user@host ~ $ paste b t
99 little bugs in the code.     Does a good farmer neglect a crop he has planted?
99 little bugs in the code.     Does a good teacher overlook even the most humble student?
Take one down, patch it around, Does a good father allow a single child to starve?
127 little bug in the code...   Does a good programmer refuse to maintain his code?
        (common proverb)
user@host ~ $ fold  -w 32 t
Does a good farmer neglect a cro
p he has planted?
Does a good teacher overlook eve
n the most humble student?
Does a good father allow a singl
e child to starve?
Does a good programmer refuse to
 maintain his code?
user@host ~ $ fold -sw 32 t
Does a good farmer neglect a 
crop he has planted?
Does a good teacher overlook 
even the most humble student?
Does a good father allow a 
single child to starve?
Does a good programmer refuse 
to maintain his code?
user@host ~ $ column    b
99 little bugs in the code.     127 little bug in the code...
99 little bugs in the code.             (common proverb)
Take one down, patch it around,
user@host ~ $ column -x b
99 little bugs in the code.     99 little bugs in the code.
Take one down, patch it around, 127 little bug in the code...
        (common proverb)
user@host ~ $ column -t b
99       little    bugs   in     the  code.
99       little    bugs   in     the  code.
Take     one       down,  patch  it   around,
127      little    bug    in     the  code...
(common  proverb)                     
user@host ~ $ cat x
Hello wolrld!
nah, been to an airport
naïve rôle
user@host ~ $ cat -v x
Hello wolr^H^Hrld!
As pretty as an airport^Mnah, been to 
naM-CM-/ve rM-CM-4le
user@host ~ $ hexdump -C x
00000000  48 65 6c 6c 6f 20 77 6f  6c 72 08 08 72 6c 64 21  |Hello wolr..rld!|
00000010  0a 41 73 20 70 72 65 74  74 79 20 61 73 20 61 6e  |.As pretty as an|
00000020  20 61 69 72 70 6f 72 74  0d 6e 61 68 2c 20 62 65  | airport.nah, be|
00000030  65 6e 20 74 6f 20 0a 6e  61 c3 af 76 65 20 72 c3  |en to .na..ve r.|
00000040  b4 6c 65 0a                                       |.le.|
00000044
user@host ~ $ cat bbc_big_read.txt
1|The Lord of the Rings|J. R. R. Tolkien
2|Pride and Prejudice|Jane Austen
3|His Dark Materials|Philip Pullman
4|The Hitchhiker's Guide to the Galaxy|Douglas Adams
5|Harry Potter and the Goblet of Fire|J. K. Rowling
6|To Kill a Mockingbird|Harper Lee
7|Winnie-the-Pooh|A. A. Milne
8|Nineteen Eighty-Four|George Orwell
9|The Lion, the Witch and the Wardrobe|C. S. Lewis
10|Jane Eyre|Charlotte Brontë
user@host ~ $ cat goodreads.txt
1|To Kill a Mockingbird|Harper Lee
2|Harry Potter and the Sorcerer’s Stone|J.K. Rowling
3|The Great Gatsby|F. Scott Fitzgerald
4|Nineteen Eighty-Four|George Orwell
5|Animal Farm|George Orwell
6|The Hobbit, or There and Back Again|J.R.R. Tolkien
7|The Little Prince|Antoine de Saint-Exupéry
8|Fahrenheit 451|Ray Bradbury
9|The Catcher in the Rye|J.D. Salinger
10|The Lion, the Witch and the Wardrobe|C.S. Lewis
user@host ~ $ sort -t '|' -k 2 goodreads.txt > goodreads.sorted.txt
user@host ~ $ sort -t '|' -k 2 bbc_big_read.txt > bbc_big_read.sorted.txt
user@host ~ $ join -t '|' -j 2 bbc_big_read.sorted.txt goodreads.sorted.txt
Nineteen Eighty-Four|8|George Orwell|4|George Orwell
The Lion, the Witch and the Wardrobe|9|C. S. Lewis|10|C.S. Lewis
To Kill a Mockingbird|6|Harper Lee|1|Harper Lee
user@host ~ $ join -t '|' -j 2 bbc_big_read.sorted.txt goodreads.sorted.txt | column -t -s '|'
Nineteen Eighty-Four                  8  George Orwell  4   George Orwell
The Lion, the Witch and the Wardrobe  9  C. S. Lewis    10  C.S. Lewis
To Kill a Mockingbird                 6  Harper Lee     1   Harper Lee