单选题
发布日期:2020-04-10
tr ’/r/n’ < userlist.txt > newlist.txt
tr -c ’/n/r’ < newlist.txt > userlist.txt
tr -d /r¯ < userlist.txt > newlist.txt
tr /r¯/n¯ userlist.txt newlist.txt
tr -s ®^M’¡®^J’ userlist.txt newlist.tx
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