Use
find ... -print0 | xargs -0 ...
por exemplo,
find /path/to -name "*.html" -print0 | xargs -0 grep -l "rumpus"
da página man do encontro
-print0
True; print the full file name on the standard output, followed
by a null character (instead of the newline character that
‘-print’ uses). This allows file names that contain newlines or
other types of white space to be correctly interpreted by pro-
grams that process the find output. This option corresponds to
the ‘-0’ option of xargs.