Abstract

A program that you can use to select particular records in a file and perform operations upon them.

awk command 4

An Introduction to awk

There are a lot of quick tricks which may be accomplished with the awk interpreter. Among other things, awk may be used for a lot of text-munging and data-processing tasks which require some quick scripting work.

Examples with awk

• Print Examples

• Conditionals with Awk

Note

Only solutions using awk will be considered valid for this task

Task

You are provided a file with four space-separated columns containing the scores of students in three subjects. The first column, contains a single character (A-Z) - the identifier of the student. The next three columns have three numbers (each between 0 and 100, both inclusive) which are the scores of the students in English, Mathematics and Science respectively.

Input Format

There will be no more than \(10\) rows of data. Each line will be in the format:

[Identifier] [Score in English] [Score in Math] [Score in Science]

Output Format

Concatenate every 2 lines of input with a semi-colon.

Sample Input

A 25 27 50 B 35 37 75 C 75 78 80 D 99 88 76

Sample Output

A 25 27 50;B 35 37 75 C 75 78 80;D 99 88 76

Explanation

Every pair of lines have been concatenated with a semi-colon.