megamirror: Fix path outputs containing \ characters
megamirror: Fix path outputs containing \ characters

 * Also fix 0 bytes files detection

Change-Id: I2b5ca7b969834261c198b254f4a2eb5c800f6a2f
Signed-off-by: Adrian DC <01fb3892f39957945220431e7409156544d2f041@gmail.com>

AdrianDC/android_development_shell_tools,AdrianDC/android_development_shell_tools