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Added check for watch installed on system

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ronaldbradford committed Jan 26, 2012
1 parent 50fc5c6 commit 59b3f402cd9a997836b03560c7d31cf96304ca1e
Showing with 1 addition and 1 deletion.
  1. +1 −1 stack.sh
@@ -97,7 +97,7 @@ function apt_get() {
}

# Check to see if we are already running a stack.sh
if screen -ls | egrep -q "[0-9].stack"; then
if [ ! -z `which screen` ] && screen -ls | egrep -q "[0-9].stack"; then
echo "You are already running a stack.sh session."
echo "To rejoin this session type 'screen -x stack'."
echo "To destroy this session, kill the running screen."

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