henkin · August 15, 2020 07:50
diff --git a/match-words.sh b/match-words.sh
 awk 'NR==FNR {a[$1]++; next} $1 in a' words myfile

 grep -Fw -f words myfile
 #* This would extract the lines in myfile that contains the words in the file words anywhere.

 #The strings in words are treated as fixed strings (not regular expressions) due to the -F option, and the -w option ensures that we only get lines that contains the exact same word (no matches of substrings in words are allowed).

 #The words in the file words most be listed on separate lines.
	awk 'NR==FNR {a[$1]++; next} $1 in a' words myfile

	grep -Fw -f words myfile
	#* This would extract the lines in myfile that contains the words in the file words anywhere.

	#The strings in words are treated as fixed strings (not regular expressions) due to the -F option, and the -w option ensures that we only get lines that contains the exact same word (no matches of substrings in words are allowed).

	#The words in the file words most be listed on separate lines.