Shell Programming and Scripting

for i in {1..50}; do     printf -v i '%02d' $i ;     echo "$i"; done

for i in {1..50}; do printf -v i '%0.1f' `echo "scale=1;$i/10" | bc`; echo $i; done

#!/bin/bash
for i in {0..10}; do
        for j in {0..9};  do
                echo $i"."$j
        done
done

#!/bin/sh
awk 'BEGIN { for(i=0;i<=10;i++) for(j=0;j<=9;j++) print i "." j }' | awk '!/0.0/'

man seq

$ seq -f %02.1f 0.1 0.1 10

$ seq -f %02.1f 0.1 0.1 10 | nawk 'NR<8||NR>92{print;next}!c++{print "..."}'
0,1
0,2
0,3
0,4
0,5
0,6
0,7
...
9,3
9,4
9,5
9,6
9,7
9,8
9,9
10,0
$

echo 1 10 | awk ' { for (i=$1; i<=$NF; i++) printf("%.1f\n", i/10); } '
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0

$ for ((i=.1;i<=10;i+=.1)); do printf "%.1f\n" $i; done
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
...
9.9
10.0