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sspencerwire merged 3 commits into from
Jul 8, 2026
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Correct the incorrect web links #3373

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Correct the incorrect web links
jimcat8 Jul 2, 2026
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jimcat8 Jul 2, 2026
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jimcat8 Jul 2, 2026
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8 changes: 4 additions & 4 deletions docs/books/sed_awk_grep/2_grep_command.md
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Expand Up @@ -8,7 +8,7 @@ tags:

# `grep` command

The `grep` command filters the content of single or multiple files. Some variants of this command tool exist, such as `egrep (grep -E)` and `fgrep (grep -f)`. For information not covered, see [the `grep` manual](https://www.gnu.org/software/grep/manual/ "grep manual").
The `grep` command filters the content of single or multiple files. Some variants of this command tool exist, such as `egrep (grep -E)` and `fgrep (grep -f)`. For information not covered, see [the grep manual page(s)](https://www.gnu.org/software/grep/manual/).

The usage of the `grep` command is:

Expand All @@ -25,7 +25,7 @@ The options are mainly divided into four parts:
* content line control
* directory or file control

match control：
match control:

| options | description |
|------------------------|---------------------------------------------------------|
Expand Down Expand Up @@ -66,9 +66,9 @@ directory or file control:
| options | description |
| :--- | :--- |
| --include=FILE_PATTERN | Searches only files that match FILE_PATTERN. Wildcard characters for file names support *, ?, [], [^], [-], {..}, {,} |
| --exclude=FILE_PATTERN | Skips files and directories matching FILE_PATTERN. Wildcard characters for file names support *, ?, [], [^], [-], {..}, {,} |
| --exclude=FILE_PATTERN | Skips files matching FILE_PATTERN. Wildcard characters for file names support *, ?, [], [^], [-], {..}, {,} |
| --exclude-dir=PATTERN | Excludes the specified directory name. Directory name support *, ?, [], [^], [-], {..}, {,} |
| --exclude-from=FILE | Excludes the specified directory from the file content. |
| --exclude-from=FILE | Excludes the specified file from the file content |

## Examples of usage

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