Revert "updatebin: remove grepopt variable"

This reverts commit 52354f920d14198f75180d11835a29ff5add6429.
Revert "updatebin: try 2 for grepopt"

This reverts commit 9a564464e13b887a0cb2b7e27f5167885c8d1620.
updatebin: try grepopt again, but remove color removal