干干净净的grep 用grep -rn "xxxx" ./ 搜索。 有时候出现大量的 错误信息 主要有 1。Is a directory 2。no such file or directory 前者表示搜索子目录,后者表示文件找不到 解决办法前者-r后者-s -r 参数:强制搜索子目录 --directories=recurse -s参数:抑制出错信息 suppress error messages...
-H, --with-filename print the file name for each match -h, --no-filename suppress the file name prefix on output --label=LABEL use LABEL as the standard input file name prefix -o, --only-matching show only the part of a line matching PATTERN -q, --quiet, --silent suppress all ...
--line-number print line number with output lines--line-buffered flush output on every line-H,--with-filename print the file name for each match-h,--no-filename suppress the file name prefix on output--label=LABEL use LABEL as the standard input file name prefix-...
grep: /etc/password: 没有那个文件或目录 将返回g r e p命令错误代码'No such file or directory'。 上述结果表明输入文件名不存在,使用g r e p命令- s开关,可屏蔽错误信息。 返回命令提示符,而没有文件不存在的错误提示。 CODE:[root@Linux_chenwy sam]# grep -s "sam" /etc/password 如果g r e...
grep: /etc/password: No such file or directory 2 $ grep -q -s "rocky" /etc/password; echo $? 2 # 选项: # "-q"选项,抑制正常输出(安静查找) # "-s"选项, 抑制错误消息 $ grep --help | grep -Ew "\-[s|q]" -s, --no-messages suppress error messages ...
grep - print lines matching a patterngrep [OPTIONS] PATTERN [FILE...] grep [OPTIONS] [-e PATTERN | -f FILE] [FILE...]
Output control:-m,--max-count=NUMstop afterNUMmatches-b,--byte-offset print the byte offsetwithoutput lines-n,--line-number print line numberwithoutput lines--line-buffered flush output on every line-H,--with-filename print the file nameforeach match-h,--no-filename suppress the file ...
WHEN is never, always, or auto. -L, --files-without-match Suppress normal output; instead print the name of each input file from which no output would normally have been printed. The scanning will stop on the first match. -l, --files-with-matches Suppress normal output; instead ...
If a file name matches both --include and --exclude, it is excluded. There is no short form for this option. --exclude-dir=pattern When pcregrep is searching the contents of a directory as a consequence of the -r (recursive search) option, any subdirectories whose names match the ...
grep[options]PATTERN[FILE...] grep[options] [-ePATTERN|-fFILE] [FILE...] 描述DESCRIPTION Grep搜索以FILE命名的文件输入 (或者是标准输入,如果没有指定文件名,或者给出的文件名是-的话),寻找含有与给定的模式PATTERN相匹配的内容的行。默认情况下,grep将把含有匹配内容的行打印出来。