$grep -r deactivates * grep: trash4: No such file or directory grep: warning: X11/X11: recursive directory loop Binary file X11/zile matches grep: X11/trash4: No such file or directory Binary file zile matches $grep -I -r deactivates * grep: trash4: No such file or directory grep: warning: X11/X11: recursive directory loop grep: X11/trash4: No such file or directory ahiliation:~$pwd /usr/bin $
-I option
Process a binary file as if it did not contain matching data; this is equivalent to the –binary-files=without-match option.
source : debian manual for grep.