xargs
You tell me how to eat each line
find /usr/include -type f -iname '*.h' | head -20 | xargs wc -l
[lockrecv@thinkpad lockrecv]$ find /usr/include -type f -iname '*.h' | head -20 | xargs wc -l
74 /usr/include/jconfig.h
496 /usr/include/dbstl_utility.h
645 /usr/include/pygobject-3.0/pygobject.h
37 /usr/include/spiro.h
491 /usr/include/libelf.h
681 /usr/include/tiff.h
101 /usr/include/wayland-server.h
80 /usr/include/tdbc.h
34 /usr/include/itcl2TclOO.h
230 /usr/include/gnutls/crypto.h
534 /usr/include/gnutls/abstract.h
1438 /usr/include/gnutls/x509.h
380 /usr/include/gnutls/openpgp.h
2596 /usr/include/gnutls/gnutls.h
148 /usr/include/gnutls/pkcs12.h
63 /usr/include/gnutls/system-keys.h
242 /usr/include/gnutls/compat.h
79 /usr/include/gnutls/tpm.h
77 /usr/include/gnutls/urls.h
194 /usr/include/gnutls/x509-ext.h
8620 total