I'm looking to write a ksh code with will be alble to find a word like 'toto' in all files going from my current directory.

eg.

/doc ----------->have: text.c which "toto"
/doc/usr-------->have: build.pc, help.java which "toto"
/doc/usr/cach -->have: test.sh which "toto"
/doc/build ------>Have Succes.ls which "toto"

Can you help me whith a code source?

Thanks