您可以使用
grep -f:
grep -Ff "first-file" "second-file"
否则匹配完整的单词:
grep -w -Ff "first-file" "second-file"
更新: 根据评论:
awk 'FNR==NR{a[$1]; next} ($1 in a){delete a[$1]; print $1}' file1 file2
您可以使用
grep -f:
grep -Ff "first-file" "second-file"
否则匹配完整的单词:
grep -w -Ff "first-file" "second-file"
更新: 根据评论:
awk 'FNR==NR{a[$1]; next} ($1 in a){delete a[$1]; print $1}' file1 file2