add dependency script

dependencies.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+
+TAB=20
+
+sumfile=/dev/shm/$$.sum
+
+echo 0 > $sumfile
+
+increment() {
+	v=$(cat $sumfile)
+	echo $(($v + 1)) > $sumfile
+}
+
+result() {
+	return $(cat $sumfile)
+}
+
+check() {
+	str="Checking $1"
+	echo -n "$str"
+
+	for i in $(seq ${#str} 1 $TAB); do
+		echo -n " "
+	done
+
+	f=$(which $1)
+	if test $? != 0; then
+		echo -e "[\033[31mFAILURE\033[0m]"
+		increment
+	else
+		echo -e "[\033[32mSUCCESS\033[0m] ($f)"
+	fi
+}
+
+echo "Checking dependancies for pensieve."
+echo
+
+while read d; do
+	check $d
+done < depends.list
+echo
+
+result
+if test $? = 0; then
+	echo "Overall success!"
+	exit 0
+else
+	echo "Overfall failure!"
+	exit 1
+fi

depends.list

@@ -0,0 +1,14 @@
+getopt
+gpg
+grep
+sed
+stat
+editor
+pager
+wc
+sleep
+head
+tail
+date
+cat
+awk