now0930 일지

[태그:] xargs

  • 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 | xargs | sed -e 's/ /,/g'

    result

    aaa,bbb,ccc,ddd

    변태 같은 명령어라고 표현해야 하나..