Computer scienceSystem administration and DevOpsCommand lineText processing

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Theory

Regular expression search

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Write a regular expression and use the -rh option to display the words from the /tmp/test directory that start with the letter 'c'.

Sample Input 1: 

./file1.txt:
canary
duck
hen
goose

./file2.txt:
woodpecker
quail
owl
cuckoo

Sample Output 1: 

canary
cuckoo
Write a program in Shell
#!/usr/bin/env bash
solve() {
# add your solution here

}
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