xargs로 여러 줄을 한줄로 줄이기
https://stackoverflow.com/questions/15758814/turning-multiple-lines-into-one-line-with-comma-separated-perl-sed-awk file aaa bbb ccc ddd xargs cat file | xargs result aaa bbb ccc ddd xargs improoved cat file […]
생활코딩
생활코딩
SED로 같은 행에 단어 추가
https://stackoverflow.com/questions/35252285/insert-text-with-sed-on-the-same-line-that-pattern-search sed로 정규 표현을 찾아, 같은 라인의 마지막에 삽입하는 명령. sed ‘s/\blocalhost\b/& 192.168.25.50/’ file \b: a zero-width word boundary &:
