Shell Programming and Scripting

1- awk 'BEGIN{{ORS=" "} while(i<10){i++;print i}}'
 
2- echo 'for(i=1;i<=10;i++) i' | bc | paste -sd" " -

#!/bin/sh

a=1
until [ $a -gt 10 ]
do
echo $a
a=`expr $a + 1`
done

Last login: Fri Nov 28 07:52:28 on ttys000
AMIGA:barrywalker~> a=1; while [ $a -le 10 ]; do printf "$a "; a=$[ ( $a + 1 ) ]; done
1 2 3 4 5 6 7 8 9 10 AMIGA:barrywalker~> _

#!/bin/bash

x=0
limit=$1
while [ $x -lt $limit ]
do
    x=$(( $x + 1 ))
    printf "%d " $x
done

#!/bin/sh

a=1
until [ $a -gt 10 ]
do
echo "$a \c"
a=`expr $a + 1`
done