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Full Discussion: To print diamond asterisk pattern based on inputs
Top Forums Shell Programming and Scripting To print diamond asterisk pattern based on inputs Post 303037588 by rohit_shinez on Wednesday 7th of August 2019 03:56:30 AM
Old 08-07-2019
To print diamond asterisk pattern based on inputs
I have to print the number of stars that increases on each line from the minimum number until it reaches the maximum number, and then decreases until it goes back to the minimum number. After printing out the lines of stars, it should also print the total number of stars printed.

I have tried using shell scripting and worked. But is there any other simplified and generic way to achieve this

Code:
echo "enter the mininum number "
read min
echo "enter the maximum number "
read max
for (( i=$min;i<=$max;i++))
do
   for (( j=$max;j>=i;j-- ))
   do
   echo -n " "
   done
   for (( c=1;c<=i;c++ ))
   do
   echo -n " *"
   sum=`expr $sum + 1`
   done
echo ""
done
d_max=`expr $max - 1`
for (( i=$d_max;i>=$min;i--))
do
   for (( j=i;j<=$d_max;j++ ))
   do
   if [ $j -eq $d_max ]
   then
   echo -n " "
   fi
   echo -n " "
   done
   for (( c=1;c<=i;c++ ))
   do
   echo -n " *"
   sum=`expr $sum + 1`
   done
echo ""
done
echo "Total No. : "  $sum

Exepcted output
Code:
 

      *
     * *
    * * *
   * * * *
  * * * * *
   * * * *
    * * *
     * *
      *

 

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LEARN ABOUT DEBIAN

pfsclamp

pfsclamp(1)						      General Commands Manual						       pfsclamp(1)

NAME

       pfsclamp - Clamp color and luminance channel values to be within the specified range

SYNOPSIS

       pfsclamp [--min <minimum>] [--max <maximum>] [--percentile] [--zero] [--rgb]

DESCRIPTION

       Use  this command to clamp values of luminance and color channels to be within the specified range. I.e. if a value in the channel is above
       the specified maximum or below specified minimum, set the value to either minimum or maximum.

       The command operates directly on XYZ channels.

OPTIONS

       --min <val>

	      Lower bound for clamping. Default value: 0.0001 (10^-4)

       --max <val>

	      Upper bound for clamping. Default value: 100000000 (10^8)

       --percentile, -p

	      Treat given min and max values as a percentile.

       --zero, -z

	      Set values out of clamping range to zero, instead of setting to specified maximum and minimum.

       --rgb

	      Perform clamping in RGB space.

EXAMPLES

       pfsin memorial.hdr | pfsclamp | pfsout memorial_cl.hdr

	      Remove possible out-of-range values, for examples zeros, from memorial image.

       pfsin memorial.hdr | pfsclamp --max 0.95 -p | pfsout memorial_cl.hdr

	      Remove 5% of the brightest pixels from the original image.

SEE ALSO

       pfsin(1) pfsout(1)

BUGS

       Please report bugs and comments to Rafal Mantiuk <mantiuk@mpi-sb.mpg.de> and Grzegorz Krawczyk <krawczyk@mpi-sb.mpg.de>.

																       pfsclamp(1)
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