script to defargle the downloaded obj files

meshin-around.sh

@@ -0,0 +1,37 @@
+#!/bin/bash	
+
+_meshin_around_main() {
+	local mesh="${1}" ; shift
+	local mash="${1-fun.obj}" ; shift
+
+	if [ "" = "${mesh}" ] ; then
+		echo "usage: meshin-around.sh <download.obj>"
+		return 1
+	fi
+
+	local name=$( basename ${mash} | sed 's,\.obj$,,' )
+	local mtl="${name}.mtl"
+	local png="${name}.png"
+
+	if [ -f ${mash} ] ; then
+		echo "${mash} already exists"
+	else
+		echo "creating ${mash} for ${mesh}"
+		sed "s,^f.*,,;s,#f,f,;s,file=.*,${mtl}," ${mesh} > ${mash} || exit ${?}
+	fi
+
+	if [ -f "${mtl}" ] ; then 
+		echo "${mtl} already exists"
+	else
+		echo "creating ${mtl} for ${mash}"
+		echo -e "newmtl MyMaterial\nillum 2\nmap_Kd ${png}" > ${mtl} || exit ${?}
+	fi
+
+	if [ -f "${png}" ] ; then
+		echo "${png} looks good"
+	else
+		echo "be sure your texture is in pwd and named ${png} or edit ${mtl}"
+	fi
+}
+
+_meshin_around_main ${*}