sbib improve and rg bool

pdfshrink

@@ -0,0 +1,37 @@
+#!/bin/bash
+if [ "$1" == "-h" ] ; then
+    echo "
+        shrinkpdf - resize pdf to smaller size. Warning: if no second file name is provided, the default behavior is to overwrite the original pdf
+         usage:
+          shrinkpdf.sh large.pdf
+          shrinkpdf.sh large.pdf small.pdf
+         dependencies:
+          ps2pdf from Ghostscript
+          mktemp from GNU Coreutils
+   
+              Usage: shrinkpdf.sh infile.pdf
+                     shrinkpdf.sh infile outfile.pdf 
+    "
+    exit 0
+fi
+
+set -e
+
+#Setup defaults
+fn=$1
+fn2=$2
+
+set -e #exit if an error
+
+#decide whether to use a provided new file name or too write over the original filename
+if [ -z "$fn2" ]; then
+  #clean up
+  tmpName=$(mktemp $fn.XXXXXXX)
+  ps2pdf $fn $tmpName
+  #echo $tmpName
+  rm $fn
+  mv $tmpName $fn
+  chmod u=rw,go=r $fn
+else
+  ps2pdf $fn $fn2
+fi