你知道你们是否遇到过，文件里有些^@^@^@符号，linux 把文件识别成二进制了，导致 grep 全部失效
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julyclyde May 23, 2022  1
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polythene May 23, 2022
随手 grep --text
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hatebugs OP 1
@julyclyde Other common causes of NULs in a text file are: 1. a process truncated the file while another process was writing it, so the second process's writes suddenly went past the current EOF, so the gap became sparsely allocated all-zero space. 2. The file was modified shortly before a system crash and the filesystem recovered the file's size without recovering all the data
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