I use "grep -w foo" (or something like "grep '\<foo\>'"), because when I look for "foo" I don't want "bazfoobar". grep -w only works because the end of words is

I use "grep -w foo" (or something like "grep '\<foo\>'"), because when I look for "foo" I don't want "bazfoobar". grep -w only works because the end of words is signaled in-band (surrounding / terminating words with whitespace).