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安裝中文字典英文字典辭典工具!
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- How do I recursively grep all directories and subdirectories?
If you find yourself frequently using grep to do recursive searches (especially if you manually do a lot of file directory exlusions), you may find ack (a very programmer-friendly grep alternative) useful
- What is the difference between grep -e and grep -E option?
grep -e PATTERN unless, as stated in an earlier Answer and in the man pages, there are multiple search patterns, or to protect a pattern beginning with a hyphen (-)
- linux - What is the point of grep -q - Stack Overflow
Moreover, this is a lot faster than a regular grep invocation, since it can exit immediately when the first match is found, rather than needing to unconditionally read (and write) to the end of file
- Using the star sign in grep - Stack Overflow
grep itself doesn't support wildcards on most platforms You have to use egrep to use wildcards Shells have a different syntax "*" in the shell is <any string> In egrep it's an operator that says "0 to many of the previous entity" In grep, it's just a regular character
- How to run grep with multiple AND patterns? - Unix Linux Stack Exchange
I would like to get the multi pattern match with implicit AND between patterns, i e equivalent to running several greps in a sequence: grep pattern1 | grep pattern2 | So how to convert it to
- Negative matching using grep (match lines that do not contain foo . . .
How do I match all lines not matching a particular pattern using grep? I tried this: grep '[^foo]'
- Find all files containing a specific text (string) on Linux
How do I find all files containing a specific string of text within their file contents? The following doesn't work It seems to display every single file in the system find -type f -exec grep -H '
- How can I use grep to find a word inside a folder?
165 grep -nr string my_directory Additional notes: this satisfies the syntax grep [options] string filename because in Unix-like systems, a directory is a kind of file (there is a term "regular file" to specifically refer to entities that are called just "files" in Windows)
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