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grep by Cao Siqin,2007.7.17 grep [-v?] Options: -? : show this help -v : list lines that doesn t contain sub-string -n : list in one line, words separated by tab-grep by Cao Siqin,2007.7.17 grep [-v?] Options: -? : show this help -v : list lines that doesn t contain sub-string -n : list in one line, words separated by tab

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