한국어

What is "pattern matcher"?

• it compares 2 files. the first one be the main. the second be the auxilary.
• it browses through the main files and finds the longest identical sentences which are present in the auxilary file as well
• it doesn't consider the edited case one. it treats them as multiple different sentences. (ex3)
• it analyzes files on the token level. a token can be a string consists of digits or alphabets, a special character. a white space can't be a token. so it just skips.(ex4)

How to use it?

> make
> ./match [file1] [file2]

Examples

1. ex1

• file1 : hello from the other side at least there?
• file2 : hello hello from side hello from the hello from the other

2. ex2

• file1 : hello from the other side
• file2 : from the other side hello from the

3. ex3

• file1 : hello from the other side
• file2 : hello to the other side

4. ex4

• file1 : hello $~~~~~~~~$ from the other side
• file2 : hello $~~~~~~~~~$from the other side

Program Result

• file1 hello from the other side hello from the here side I must have called a hundred times
• file2 hello from the other side hello from the other side I must have called a thousand times
• result
• explanation
  • it shows total matches.
  • for each matches the sentence to be the longest identical is printed out in color.
  • for each files it tells which position the sentence is located in the file.
  • the number inside the parentheses indicate the line number and column number of the first character from the first and last tokens.