Return to Answer

You can couple find with the -exec argument. example:

find . -maxdepth 1 -type f -exec grep -H foo {} \;

This can be scaled, i.e. -maxdepth 2

-type f option is used so that grep does not produce an error when its argument is a path to a directory

-H grep option is used to print a filename for every match (desired behavior when more than one file match)

You can couple find with the -exec argument. Example:

find . -maxdepth 1 -exec grep foo {} \;

This can be scaled, i.e. -maxdepth 2.

Edit

As mentioned in the [answer by @Stéphane Chazelas], it is advisable to restrict find to regular files so that grep doesn't produce an error when the argument {} actually is a directory path:

find . -maxdepth 1 -type f -exec grep -H foo {} \;

• -type f is a filter for find that limits the search results to files
• -H is a grep option used to print a filename for every match (desired behavior when more than one file match)

You can couple find with the -exec argument. example:

find . -maxdepth 1 -exec grep foo {} \;

This can be scaled, i.e. -maxdepth 2

You can couple find with the -exec argument. example:

find . -maxdepth 1 -type f -exec grep -H foo {} \;

This can be scaled, i.e. -maxdepth 2

-type f option is used so that grep does not produce an error when its argument is a path to a directory

-H grep option is used to print a filename for every match (desired behavior when more than one file match)

You can couple find with the -exec argument. example:

find . ! -name . -prune -type f -exec grep /dev/null foo {} +

You can couple find with the -exec argument. example:

find . -maxdepth 1 -exec grep foo {} \;

This can be scaled, i.e. -maxdepth 2