When grep stops after NUM matching lines, it outputs any trailing context lines. When the -c or --count option is also used, grep does not output a count greater than NUM. When the -v or --invert-match option is also used, grep stops after outputting NUM non-matching lines. -o,...
grep - print lines matching a patterngrep [OPTIONS] PATTERN [FILE...] grep [OPTIONS] [-e PATTERN | -f FILE] [FILE...]
fgrep search_string path/to/file - Search only lines that match entirely in files: fgrep -x path/to/file1 path/to/file2 - 【重要】Count the number of lines that match the given string in a file: fgrep -c search_string path/to/file - Show the line number in the file along with t...
05 grep 查找对应字符前后 n 行 grep -a10 "bug" info.log #查看"bug"字符后的10行，a->after。
ugrep matches patterns across multiple lines when patterns match \n. ugrep matches full Unicode by default (disabled with option -U). ugrep supports Boolean patterns with AND, OR and NOT (option --bool). ugrep supports gitignore with option --ignore-files. ugrep supports fuzzy (approximate...
Normally grep will show filenames and the lines that match. We can list only filenames by using-loption. In the following example, we will list the files that contain the termThis. 通常,grep将显示文件名和匹配的行。 我们可以使用-l选项仅列出文件名。 在下面的示例中,我们将列出包含术语This...
Print 3 lines of context around, before, or after each match: grep --context|before-context|after-context 3 "search_pattern" path/to/file Print file name and line number for each match with color output: grep -H|--with-filename -n|--line-number --color=always "search_pattern" path/...
of trailing context lines. This enables a calling process to resume(重新开始) a search. When grep stops after NUM matching lines,it outputs any trailing context lines. When the-cor--countoption is also used, grep does not output a count greater than NUM. When the-vor--invert-matchoption ...
By default, grep searches the specified pattern line by line in the specified location. If it finds any match in any line, it prints that line at the terminal. For example, following command searches the keyword"user"in the file"user-data"and prints all the lines that contain the keyword...
In the text field for symbol, "/n3" could be used to display 3 lines before and after Match for multiple symbol Multiple symbols (and condition) could be input for symbol queries. e.g. Multiple match are input "CMainWindow", "_on" as queries. Show multiple project Regular expression...