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edited Aug 9, 2016 at 18:54

If you're using GNU grep, look at the '-s' option to suppress messages.

-s, --no-messages Suppress error messages about nonexistent or unreadable files.

-s, --no-messages
    Suppress error messages about nonexistent or unreadable files.

*** Note: this is not a portable option.

If you're using GNU grep, look at the '-s' option to suppress messages.

-s, --no-messages Suppress error messages about nonexistent or unreadable files.

*** Note: this is not a portable option.

If you're using GNU grep, look at the '-s' option to suppress messages.

-s, --no-messages
    Suppress error messages about nonexistent or unreadable files.

*** Note: this is not a portable option.

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answered Aug 9, 2016 at 18:47

If you're using GNU grep, look at the '-s' option to suppress messages.

-s, --no-messages Suppress error messages about nonexistent or unreadable files.

*** Note: this is not a portable option.