Ansi escape code for "Cursor Preceding Line" not working
you can check it by typing:
echo -e "line1\n\x1b[1Fline2"
which should output line2
according to https://en.wikipedia.org/wiki/ANSI_escape_code, but it outputs
line1 line2
OSX version: 10.10.3
iterm version: iTerm2 2.1.1
attached: com.googlecode.iterm2.plist