LeetCode 0194. Transpose File Shell Solution | Explanation + Code

Description

Given a text file file.txt, transpose its content.

You may assume that each row has the same number of columns, and each field is separated by the ' ' character.

Example:

If file.txt has the following content:

name age
alice 21
ryan 30

Output the following:

name alice ryan
age 21 30

Solutions

Solution 1: awk

bash

# Read from the file file.txt and print its transposed content to stdout. awk ' { for (i=1; i<=NF; i++) { if(NR == 1) { res[i] = re$i } else { res[i] = res[i]" "$i } } }END { for (i=1;i<=NF;i++) { print res[i] } } ' file.txt(code-box)