code
macname@localhost Desktop % cat content fox jumps over the lazy dog. fox jumps over the lazy dog. fox jumps over the lazy dog. fox jumps over the lazy dog. macname@localhost Desktop % macname@localhost Desktop % cat script1.sed s/jumps/green/ s/fox/elephant/ s/dog/cat/ macname@localhost Desktop % macname@localhost Desktop % sed -f script1.sed content elephant green over the lazy cat. elephant green over the lazy cat. elephant green over the lazy cat. elephant green over the lazy cat. macname@localhost Desktop % cat content fox jumps over the lazy dog. fox jumps over the lazy dog. fox jumps over the lazy dog. fox jumps over the lazy dog. macname@localhost Desktop %