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diff --git a/tools/uncrustify1.sh b/tools/uncrustify1.sh
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+++ b/tools/uncrustify1.sh
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+#!/bin/sh
+# Run the beautifier "Uncrustify" on a single file.
+# Because the file "uncrustify.cfg" only exists in the top level of the project
+# you should run this script from there so this script can find your uncrustify.cfg file.
+
+
+UNCRUSTIFYTMP=/tmp/uncrustify.tmp
+
+
+if [ ! -f uncrustify.cfg ]; then
+    echo "unable to find uncrustify.cfg, aborting"
+    exit 1
+fi
+
+UNCRUSTIFYBIN=`which uncrustify`
+
+if [ "$UNCRUSTIFYBIN" = "" ]; then
+    echo "you must specify uncrustify in your PATH, I cannot find it"
+    exit 2
+fi
+
+if [ $# -lt 1 ]; then
+    echo "Usage $0 <filename .c or .h>"
+    exit 3
+fi
+
+uncrustify -c uncrustify.cfg <$1 >$UNCRUSTIFYTMP
+
+# you can comment this out while tuning the uncrustify.cfg file:
+mv $UNCRUSTIFYTMP $1