특수문자 삭제 (how remove non printable ascii characters file unix)
- Tested Environment : AIX, HP-UX, SunOS, Linux(RHEL)
tr -cd '\11\12\15\40-\176' < file-with-binary-chars > clean-file
- octal 11: tab
- octal 12: linefeed
- octal 15: carriage return
- octal 40 through
- octal 176: all the “good” keyboard characters
출처 : http://alvinalexander.com/blog/post/linux-unix/how-remove-non-printable-ascii-characters-file-unix
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