192. Word Frequency My Submissions Question Leetcode Bash
985 ワード
Write a bash script to calculate the frequency of each word in a text file
For simplicity sake, you may assume:
Each word must consist of lowercase characters only.
Words are separated by one or more whitespace characters.
For example, assume that
Your script should output the following, sorted by descending frequency:
Note: Don't worry about handling ties, it is guaranteed that each word's frequency count is unique.
words.txt . For simplicity sake, you may assume:
words.txt contains only lowercase characters and space ' ' characters. Each word must consist of lowercase characters only.
Words are separated by one or more whitespace characters.
For example, assume that
words.txt has the following content: the day is sunny the the
the sunny is is
Your script should output the following, sorted by descending frequency:
the 4
is 3
sunny 2
day 1
Note: Don't worry about handling ties, it is guaranteed that each word's frequency count is unique.
# Read from the file words.txt and output the word frequency list to stdout.
grep -oE '[a-z]+' words.txt | sort | uniq -c | sort -r | awk '{print $2" "$1}'