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making sure a command line paramter is a number

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# 1  
Old 07-12-2006
making sure a command line paramter is a number
i need to make sure that a command line paramter is with in a certin set of numbers and i dont know how todo it with out checking individual numbers.

if test $1 -eq (need something here)
then
echo hi
fi

like if i put individual numbers in there it works fine but how do i do a range
# 2  
Old 07-12-2006
Try this
if [ `echo $1 | grep -c -i [a-z\ \*\\\//\$?]` -eq 1 ];then
echo "Is not number"
else
echo "Is number"
fi
# 3  
Old 07-13-2006
If there is a 0 in the number it doesnt work. and i need to include $2 in the check
# 4  
Old 07-13-2006
Another tho check for a number
Code:
if expr "$1" : '[[:digit:]]\{1,\}$' >/dev/null
then
   echo "Is number"
else
   echo "Is not number"
fi

whith KSH
Code:
if [[ "$1" = +([0-9]) ]]
then
  . . . . .

Jean-Pierre.
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