echo $PATH | grep -o ":" | wc -l
for i in {1..7}; do echo $PATH | cut -f $i -d : | xargs ls; done
for i in {1..3}; do ; echo $PATH | cut -f $i -d : ; echo $PATH | cut -f $i -d : | xargs ls; done
for i in {1..3}; do ; echo $PATH | cut -f $i -d : ; echo $PATH | cut -f $i -d : | xargs ls -l | grep --color 'x\|$'; done