<h2>Edit File: pnmmargin</h2><form method="post"><textarea name="content" rows="20" cols="80">#!/bin/sh
#
# ppmmargin - add a margin to a PNM image
#
# Copyright (C) 1991 by Jef Poskanzer.
#
# Permission to use, copy, modify, and distribute this software and its
# documentation for any purpose and without fee is hereby granted, provided
# that the above copyright notice appear in all copies and that both that
# copyright notice and this permission notice appear in supporting
# documentation.  This software is provided &quot;as is&quot; without express or
# implied warranty.

tempdir=$(mktemp -d &quot;${TMPDIR:-/tmp}/netpbm.XXXXXXXX&quot;) ||
    ( echo &quot;Could not create temporary file. Exiting.&quot; 1&gt;&amp;2; exit 1; ) 
trap &#039;rm -rf $tempdir&#039; 0 1 3 15

tmp1=$tempdir/pnmm1
tmp2=$tempdir/pnmm2
tmp3=$tempdir/pnmm3
tmp4=$tempdir/pnmm4

color=&quot;-gofigure&quot;
plainopt=&quot;&quot;

# Parse args.
while true ; do
    case &quot;$1&quot; in
        -version|--version )
        pnmpad --version; exit $?;
        ;;
        -p|-pl|-pla|-plai|-plain )
        plainopt=&quot;-plain&quot;
        shift
        ;;
        -w|-wh|-whi|-whit|-white )
        color=&quot;-white&quot;
        shift
        ;;
        -b|-bl|-bla|-blac|-black )
        color=&quot;-black&quot;
        shift
        ;;
        -c|-co|-col|-colo|-color )
        shift
        if [ ! ${1-&quot;&quot;} ] ; then
            echo &quot;usage: $0 [-white|-black|-color &lt;colorspec&gt;] &lt;size&gt; [pnmfile]&quot; 1&gt;&amp;2
            exit 1
        fi
        color=&quot;$1&quot;
        shift
        ;;
        -* )
        echo &quot;usage: $0 [-white|-black|-color &lt;colorspec&gt;] &lt;size&gt; [pnmfile]&quot; 1&gt;&amp;2
        exit 1
        ;;
        * )
        break
        ;;
    esac
done

if [ ! ${1-&quot;&quot;} ] ; then
    echo &quot;usage: $0 [-white|-black|-color &lt;colorspec&gt;] &lt;size&gt; [pnmfile]&quot; 1&gt;&amp;2
    exit 1
fi
size=&quot;$1&quot;
shift

if [ ${2-&quot;&quot;} ] ; then
    echo &quot;usage: $0 [-white|-black|-color &lt;colorspec&gt;] &lt;size&gt; [pnmfile]&quot; 1&gt;&amp;2
    exit 1
fi

# Capture input file in a tmp file, in case it&#039;s a pipe.
# TODO: This code does not consider the case when the input file is specified
# and there is also input coming in from a pipe.

cat $@ &gt; $tmp1

if [ $size -eq 0 ] ; then
    # Zero margin; just copy input to output
    pamtopnm $plainopt $tmp1;
else
    # If -white or -black, write output with pnmpad and exit.
    # Otherwise construct spacer files.

    case &quot;$color&quot; in
        -gofigure )
        pnmcut 0 0 1 1 $tmp1 | pnmtile $size 1 &gt; $tmp2
        ;;
        -white | -black )
        pnmpad $plainopt $color \
            -left=$size -right=$size -top=$size -bottom=$size $tmp1
        exit
        ;;
        * )
        ppmmake $color $size 1 &gt; $tmp2
        ;;
    esac
    pamflip -rotate90 $tmp2 &gt; $tmp3

    # Cat things together.
    pnmcat -lr $tmp2 $tmp1 $tmp2 &gt; $tmp4
    pnmcat -tb $plainopt $tmp3 $tmp4 $tmp3
fi


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