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Windows 中的 find 和 findstr 命令有什么区别？

tag-icon • tag-icon windows command-line find findstr
Windows 中的 find 和 findstr 命令有什么区别？

find在Windows中，和命令有什么区别findstr？

两者似乎都在文件中搜索文本：

寻找

C:\> find /?
Searches for a text string in a file or files.

FIND [/V] [/C] [/N] [/I] [/OFF[LINE]] "string" [[drive:][path]filename[ ...]]

  /V         Displays all lines NOT containing the specified string.
  /C         Displays only the count of lines containing the string.
  /N         Displays line numbers with the displayed lines.
  /I         Ignores the case of characters when searching for the string.
  /OFF[LINE] Do not skip files with offline attribute set.
  "string"   Specifies the text string to find.
  [drive:][path]filename
             Specifies a file or files to search.

If a path is not specified, FIND searches the text typed at the prompt
or piped from another command.

查找字符串

C:\> findstr /?
Searches for strings in files.

FINDSTR [/B] [/E] [/L] [/R] [/S] [/I] [/X] [/V] [/N] [/M] [/O] [/P] [/F:file]
        [/C:string] [/G:file] [/D:dir list] [/A:color attributes] [/OFF[LINE]]
        strings [[drive:][path]filename[ ...]]

  /B         Matches pattern if at the beginning of a line.
  /E         Matches pattern if at the end of a line.
  /L         Uses search strings literally.
  /R         Uses search strings as regular expressions.
  /S         Searches for matching files in the current directory and all
             subdirectories.
  /I         Specifies that the search is not to be case-sensitive.
  /X         Prints lines that match exactly.
  /V         Prints only lines that do not contain a match.
  /N         Prints the line number before each line that matches.
  /M         Prints only the filename if a file contains a match.
  /O         Prints character offset before each matching line.
  /P         Skip files with non-printable characters.
  /OFF[LINE] Do not skip files with offline attribute set.
  /A:attr    Specifies color attribute with two hex digits. See "color /?"
  /F:file    Reads file list from the specified file(/ stands for console).
  /C:string  Uses specified string as a literal search string.
  /G:file    Gets search strings from the specified file(/ stands for console).
  /D:dir     Search a semicolon delimited list of directories
  strings    Text to be searched for.
  [drive:][path]filename
             Specifies a file or files to search.

Use spaces to separate multiple search strings unless the argument is prefixed
with /C.  For example, 'FINDSTR "hello there" x.y' searches for "hello" or
"there" in file x.y.  'FINDSTR /C:"hello there" x.y' searches for
"hello there" in file x.y.

Regular expression quick reference:
  .        Wildcard: any character
  *        Repeat: zero or more occurences of previous character or class
  ^        Line position: beginning of line
  $        Line position: end of line
  [class]  Character class: any one character in set
  [^class] Inverse class: any one character not in set
  [x-y]    Range: any characters within the specified range
  \x       Escape: literal use of metacharacter x
  \<xyz    Word position: beginning of word
  xyz\>    Word position: end of word

For full information on FINDSTR regular expressions refer to the online Command
Reference.

答案1

如上图，findstr增加了正则表达式的支持，所以更像grep。

答案2

Old New Thing 博客在这篇文章中谈到了这些工具。

总之：并行开发的工具可以满足略有不同的需求；它们从未组合成单一的工具。

答案3

Findstr 具有更多搜索选项，并支持正则表达式。我发现 findstr 不支持文件名中包含通配符的情况。

以下命令返回在多个文件中所有出现的具有 Quant_2013-10-25_*.log 模式的搜索字符串

find /I "nFCT255c9A" D:\Comp1\Logs\Quant_2013-10-25_*.log

以下命令不返回任何内容或根本不起作用

findstr nFCT255c9A D:\Comp1\Logs\Quantum_2013-10-25_*.log

答案4

查找字符串扩展了寻找具有多种实用功能。一些关键新增功能包括

  1. findstr 支持多个搜索字符串
  2. findstr 可以将包含要搜索的文件名或目录的文件作为输入
  3. findstr 支持正则表达式

这两个函数都不适用于大文件或大量文件。

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