fix script to generate figures

results/generate_figures.sh

@@ -13,5 +13,5 @@ for path in $TEX_FILE; do
   filename=`basename $path .tex`;
 
   echo 'Processing ' $path;
-  (cd $folder; tex-pdf "$filename.tex" && pdftoppm -png "$filename.pdf" "$filename" && if [[ $(ls $filename*.png | wc -l) -eq 1 ]]; then mv "$filename-1.png" "$filename.png"; fi); 
+  (cd $folder; tex-pdf "$filename.tex" && pdftoppm -png "$filename.pdf" "$filename" && if [[ $(ls $filename*.png | wc -l) = 1 ]]; then mv "$filename-1.png" "$filename.png"; fi); 
 done