-f, --file=FILE obtain PATTERN from FILE -i, --ignore-case ignore case distinctions -w, --word-regexp force PATTERN to match only whole words -x, --line-regexp force PATTERN to match only whole lines -z, --null-data a data line ends in 0 byte, not newline Miscellaneous: // ...
How to grep and count words in a single-line file using command-line utilities When working with text files, it's often necessary to search for specific words and count their occurrences. However, this can be challenging when the file's content is a single joined line, as is the case wi...
The GNU grep utility is flexible and useful, helping you accomplish many tasks in your daily sysadmin activities. The more you usegrep, the more comfortable you will become, and soon you'll notice you're relying on it all the time. ...
-w, --word-regexp Select only those lines containing matches that form whole words. The test is that the matching substring must either be at the beginning of the line, or preceded by a non-word constituent character. Similarly, it must be either at the end of the line or followed by...
grepgnu /usr/share/wordsgrep-wgnu /usr/share/words gnu grep 打印行号 要打印与模式匹配的行号,请使用grep命令的-n/--line-number选项。grep命令将以行号作为前缀打印匹配的行。 例如命令grep -n 10000 /etc/services在/etc/services文件搜索包含1000数值的行。
1[lizhen@dhcp-128-93shell]$ grep words n2thisisa words file.3words words to be4[lizhen@dhcp-128-93shell]$ 2,单个grep命令可以对多个文件进行检索 [lizhen@dhcp-128-93shell]$ grep words n n1 n2 n:thisisa words file. n:words words to be ...
`w' for two-byte words `k' for Kilobytes (units of 1024 bytes) `M' for Megabytes (units of 1048576 bytes) `G' for Gigabytes (units of 1073741824 bytes) -type c : 文件类型是 c 的文件 File is of type c: b block (buffered) special ...
(BRE)-P,--perl-regexpPATTERNis a Perl regular expression-e,--regexp=PATTERNusePATTERNformatching-f,--file=FILEobtainPATTERNfromFILE-i,--ignore-caseignorecasedistinctions-w,--word-regexp forcePATTERNto match only whole words-x,--line-regexp forcePATTERNto match only whole lines-z,--null-...
格式:#wc [option] file1... [option]-c或--bytes或--chars 只显示Bytes数,字节数。-l或--lines 只显示行数。-w或--words 只显示单词数。--help 在线帮助。--version 显示版本信息。 sort命令 作用:用于将文本文件内容,以行为单位,加以排序。
grep -w gnu /usr/share/wordsgnu 显示行号 -n (或 --line-number)选项告诉 grep 显示包含与模式匹配的字符串的行的行号。使用此选项时，grep 将匹配内容打印到以行号为前缀的标准输出。例如，要显示/etc/services 文件中包含以匹配行号作为前缀的字符串 bash 的行，可以使用以下命令:grep -n 10000/etc/...