Bash: Parse all GD files in folder

gistfile1.sh

#!/bin/bash
# This script creates eps files from all .gd or .exec files in a directory.

if [ ! -d "img/" ];
then
  mkdir img
fi

rm img/*-gd.eps
touch execfile		# Create execfile

for f in *.*
do
	if [ ${f#*.} = "gd" ];
	then
		g=$(echo $f | sed 's/\(.*\)\..*/\1/')
		echo "gr $g.gd" >> execfile
		echo "gd" >> execfile
		echo "gcopy $g-gd.eps" >> execfile
	fi
	if [ ${f#*.} = "exec" ];
	then
		g=$(echo $f | sed 's/\(.*\)\..*/\1/')
		echo "exec $g.exec" >> execfile
		echo "gcopy $g-gd.eps" >> execfile
	fi
done

echo "quit" >> execfile

gd < execfile		# run execfile in GD
rm execfile		# delete execfile
mv *.eps img/	# move generated EPS files to img directory

if [ -d "$HOME/Dropbox/" ];
then
	echo Copying files to Dropbox ...
	cp img/*.eps $HOME/Dropbox/img
fi