#command cdx binsearch -H name:1 -ktwo ccc $TMP/foo.txt $TMP/bar.txt
#infile foo.txt
CDX one two three
stuff aaa aaa
junk bbb zzz
things ccc aaa
aaa ccc zzz
zzz ddd aaa
aaa eee zzz
#infile bar.txt
CDX one two three
stuff aaa aaa
junk bbb zzz
111 ccc 222
333 ccc 444
zzz ddd aaa
aaa eee zzz
#stdout
CDX name one two three
foo.txt things ccc aaa
foo.txt aaa ccc zzz
bar.txt 111 ccc 222
bar.txt 333 ccc 444