$ cat file.txt
word4 word2
word4 word2
word3 word1
word1 word3
$
How can I please get this output from file.txt ?
word1
Type: Posts; User: maketopsite; Keyword(s):
$ cat file.txt
word4 word2
word4 word2
word3 word1
word1 word3
$
How can I please get this output from file.txt ?
word1