toggleMonitor

1 files changed, 16 insertions, 0 deletions

diff --git a/bin/toggle-pipe.sh b/bin/toggle-pipe.sh
new file mode 100755
index 0000000..2dfc8b9
--- /dev/null
+++ b/bin/toggle-pipe.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+[[ -z $1 ]] && echo "Usage: toggle-pipe.sh path-to-pipe" && exit 1
+
+state="$1.state"
+
+[[ -p $1 ]] || mkfifo $1
+
+[[ -f $state ]] || echo 0 > $state
+
+v=$(<$state)
+
+if [[ x$v == x1 ]]; then v=0; else v=1; fi
+
+echo $v > $state;
+echo -e "$v\\\n" > $1;