Linux 在子目录中递归搜索 .bz2 文件中的文本字符串
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Linux search text string from .bz2 files recursively in subdirectories
提问by Semu
I have a case where multiple .bz2 files are situated in subdirectories. And I want to search for a text, from all files, using bzcat and grep command linux commands.
我有一个案例,其中多个 .bz2 文件位于子目录中。我想使用 bzcat 和 grep 命令 linux 命令从所有文件中搜索文本。
I am able to search one-one file by using the following command:
我可以使用以下命令搜索一对一文件:
bzcat <filename.bz2> | grep -ia 'text string' | less
But I now I need to do the above for all files in subdirectories.
但是我现在需要对子目录中的所有文件执行上述操作。
采纳答案by hek2mgl
You can use bzgrep
instead of bzcat
and grep
. This is faster.
您可以使用bzgrep
代替bzcat
和grep
。这更快。
To grep recursively in a directory tree use find
:
要在目录树中递归地 grep 使用find
:
find -type f -name '*.bz2' -execdir bzgrep "pattern" {} \;
find
is searching recursively for all files with the *.bz2
extension and applies the command specified with -execdir
to them.
find
正在递归搜索所有具有*.bz2
扩展名的文件,并将指定的命令应用于-execdir
它们。
回答by Igor Chubin
There are several methods:
有几种方法:
bzgrep regexp $(find -name \*.bz2)
This method will work if number of the found files is not very big (and they have no special characters in the pathes). Otherwise you better use this one:
如果找到的文件数量不是很大(并且路径中没有特殊字符),则此方法将起作用。否则你最好使用这个:
find -name \*.bz2 -exec bzgrep regexp {} /dev/null \;
Please note /dev/null
in the second method. You use it to make bzgrep
print the filename,
where the regexp
was found.
请注意/dev/null
在第二种方法中。您可以使用它来bzgrep
打印找到的文件名regexp
。
回答by BMW
Continuous your code with fixes by bzcat:
使用 bzcat 修复继续您的代码:
find . -type f -name "*.bz2" |while read file
do
bzcat $file | grep -ia 'text string' | less
done
回答by Anton Shtin
Just try to use:
尝试使用:
bzgrep --help
grep through bzip2 files
Usage: bzgrep [grep_options] pattern [files]
用法: bzgrep [grep_options] pattern [files]
For example, I need grep information from list of files by number 1941974:
例如,我需要从编号为 1941974 的文件列表中获取 grep 信息:
'billing_log_1.bz'
'billing_log_2.bz'
'billing_log_3.bz'
'billing_log_4.bz'
'billing_log_5.bz'
What can I do?
我能做什么?
bzgrep '1941974' billing_log_1
bzgrep '1941974' billing_log_1