Find a string in a set of files:
$find . -name *.c | xargs grep my_func_name
This command searches all the directories under the current directory for ".c" files. In each of the file it searches for the string "my_func_name". Lists out the matching files and string.
$find . -name *.[ch] | xargs grep my_func_name
This command searches all the directories under the current directory for ".c" and "*.h" files. In each of the file it searches for the string "my_func_name". Lists out the matching files and string.
$find . -name *.[ch] | xargs grep my_func_name 2>/dev/null
This command searches all the directories under the current directory for ".c" and "*.h" files. In each of the file it searches for the string "my_func_name". Lists out the matching files and string.
Also it does not print the error messages found during search on to the console.
$find . | grep Myfile | xargs grep my_func_name 2>/dev/null
This command searches all the directories under the current directory for files containing "Myfile" in its name. In each of the file found it searches for the string "my_func_name". Lists out the matching files and string. Also it does not print the error messages found during search on to the console.
$find . -name *.c | xargs grep my_func_name
This command searches all the directories under the current directory for ".c" files. In each of the file it searches for the string "my_func_name". Lists out the matching files and string.
$find . -name *.[ch] | xargs grep my_func_name
This command searches all the directories under the current directory for ".c" and "*.h" files. In each of the file it searches for the string "my_func_name". Lists out the matching files and string.
$find . -name *.[ch] | xargs grep my_func_name 2>/dev/null
This command searches all the directories under the current directory for ".c" and "*.h" files. In each of the file it searches for the string "my_func_name". Lists out the matching files and string.
Also it does not print the error messages found during search on to the console.
$find . | grep Myfile | xargs grep my_func_name 2>/dev/null
This command searches all the directories under the current directory for files containing "Myfile" in its name. In each of the file found it searches for the string "my_func_name". Lists out the matching files and string. Also it does not print the error messages found during search on to the console.