文件树:
find . -print 2>/dev/null|awk '!/\.$/ {for (i=1;i<NF;i++){d=length($i);if ( d < 5 && i != 1 )d=5;printf("%"d"s","|")}
print "---"$NF}' FS='/'
目录树:
find . -type d -print 2>/dev/null|awk '!/\.$/ {for (i=1;i<NF;i++){d=length($i);if ( d < 5 && i != 1 )d=5;
printf("%"d"s","|")}print "---"$NF}' FS='/'