Grep && find command usage

Ignore case search
grep -i "androiD" Logcat.txt //from the logcat.txt file, search for text lines containing android, not case sensitive

traverse search, and no match information is displayed
grep -rs "android" //From the current directory, iterate through all the files and search for the text line containing android

The whole word matches the search grep -w “android” logcat.txt //from the logcat.txt file In, search for the text line containing the word android grep -w “android |  ios & rdquo; logcat.txt //from logcat.txt file, search containing the word android or ios lines of text

list the file names
grep -l " android "

Statistics occurrences
grep -c "android" .

Display the line where the characters appear
grep -n "android“ .



































p>(1) If not, the default is the current path; (2) Support multiple paths, the directory is directly separated by spaces;
find . -name demo2.2 Find rules
2.2.1 According to the file name ( Name)

-name //Search by file name, case sensitive -iname //Search by file name, case insensitive

Wildcard Description: (1)* Matches any number Characters (2)? Match any single character (3)[] Match any character in parentheses
find /data -name dalv I*find /data -name dalvik?cachefind /data -name dalvik-cach[abe]2.2.2 Depending on the file type (type)

Example:
find -type f //View file type 2.2.3 Depending on the directory depth

Unit: c (lowercase), k (lowercase), M (uppercase), G (uppercase)

-size +10M: Find files larger than 10M -size -2k: Find files smaller than 2k -empty: Find files with size 0 or empty directories
2.2.5 Based on files Permissions (perm)

Example:
find -perm 777 //Find files with permissions 777 2.2.6 Depending on the user and group to which the file belongs

You can use the stat command to view the time of the file. The following are the files according to each. Time to find files:

For example, look up the current path, start with a, and exclude the end with b Document or Folder:
find -name a* -not -name *b2.3 Execute

-ls Find the result, display it as ls
find -name app -ls

-ok [command] After the search is complete, execute the command and ask for execution
find -name App -ok cat {} \\; //Note: There are spaces before and after {}

-exec [command] After the search is complete, execute the command and execute
find -name app -exec Ls {} \\;