UNIX for Advanced & Expert Users

for s in *
do
echo $s
done | sort -n

a=1
for s in *
do
echo "$s ""---"" $a"
a=$(($a+1))
done | sort -n

1 --- 1
2 --- 4
3 --- 6
10 --- 2
12 --- 3
23 --- 5

1 --- 1
2 --- 2
3 --- 3
10 --- 4
12 --- 5
23 --- 6

a=1
for s in $(echo *|sort -n); do
  echo "$s ""---"" $((a++))"
done

a=1
for s in $(echo * | sed 's/\W\+/\
/g ' |sort -n)
do
echo "$s ""---"" $a"
a=$(($a+1))
done

a=1
for s in $(ls|sort -n); do
  echo "$s ""---"" $((a++))"
done

echo *
1 10 12 2 23 3
echo *>/tmp/test1
cat /tmp/test1
1 10 12 2 23 3

ls
1  10  12  2  23  3

ls>/tmp/test2
cat /tmp/test2
1
10
12
2
23
3