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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 303037606 by Corona688 on Wednesday 7th of August 2019 03:33:51 PM
Old 08-07-2019
Code:
#!/bin/bash

MIN=1
MAX=10
STARS=0

S=$(printf '%*s' "$((MAX*2))" '')
D=${S//  / *}

for ((N=MIN; N < (MAX*2); N++ && (STARS += W)))
do
        [ "$N" -gt "$MAX" ] && W=$(((MAX*2)-N)) || W="$N"
        [ "$W" -lt "$MIN" ] && break;
        echo "${S:0:$((MAX-W))}${D:0:$((W*2))}"
done

echo "Total stars: $STARS"

Code:
          *
         * *
        * * *
       * * * *
      * * * * *
     * * * * * *
    * * * * * * *
   * * * * * * * *
  * * * * * * * * *
 * * * * * * * * * *
  * * * * * * * * *
   * * * * * * * *
    * * * * * * *
     * * * * * *
      * * * * *
       * * * *
        * * *
         * *
          *
Total stars: 100

These 2 Users Gave Thanks to Corona688 For This Post:
Chubler_XL wisecracker
 

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LEARN ABOUT NETBSD

min

PARAM(3)						   BSD Library Functions Manual 						  PARAM(3)

NAME

     param -- common parameters

SYNOPSIS

     #include <sys/param.h>

     size
     MAX(size a, size b);

     size
     MIN(size a, size b);

DESCRIPTION

     The <sys/param.h> header includes some common definitions and macros specific to NetBSD.  The header is perhaps best characterized as a ker-
     nel equivalent of <sys/types.h>.  The following list summarizes the provided definitions and macros.

	   o   First and foremost, the header defines the version of NetBSD.  This is defined as

		     #define __NetBSD_Version__    599004800   /* 5.99.48 */

	       The general format is ``MMmmrrpp00'', where 'MM' and 'mm' denote the major and minor version, respectively, 'rr' is provided for
	       compatibility, and 'pp' defines the patch level.

	   o   Common utility macros such as MAX() and MIN() as well as more specific macros such as STACK(9), ctod(9), mstohz(9), roundup(9), and
	       setbit(9).

	   o   Numerous miscellaneous definitions such as limits, constants for the kernel memoryallocators(9), scale factors used by the sched-
	       uler, kthread(9) priorities, and many others.

	   o   Definitions provided for historical and compatibility reasons.  Examples range from definitions such as ``#define BSD'' to old pri-
	       ority levels used in the kernel.

SEE ALSO

     bitops(3), cdefs(3), types(3), unistd(3)

HISTORY

     A <param.h> header appeared already in the Version 4 AT&T UNIX.

BSD
								  April 10, 2011							       BSD
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