Finds all the files in the file tree and displays the file names fishing, showing the hierarchical file tree.

tree [dir]

Example call:

tree $HOME

#!/bin/bash
#
# @ (#) tree v1.0 Visual display of a file tree 
# output to a file tree structure screen
#
 
if [ "$ #" -gt 1]
then echo "tree: wrong arg count"> & 2
echo "usage: tree [dir]"> & 2
exit 2
fi
 
if [ "$ #" -eq 1]
 then if [! -d $ 1]
 then echo "$ 0: $ 1 not a directory"> & 2
 echo "usage: tree [dir]"> & 2
 exit 2
 fi
fi
 
find $ {1: -.} -print | sort | sed -e "1p" -e "1d" \
 -e "s | [^ /] * / | / | g" \
 -e "s | [^ * / | / |" \
 -e "s | / \ ([^ /] * \) $ | \ 1 |"