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- #! /bin/sh
- ## Change the currently active card
- TOPIC="/card"
- toSingleLine () {
- echo $(echo $1 | tr -s '\t' ' ' | tr -d '\n')
- }
- if [ "$1" == "" ]; then
- echo "ERROR: expecting direction argument: [left|right|first|last]"
- exit
- fi
- json='{
- "cmd":"select_card",
- "action": "'"$1"'"
- }'
- echo "$json"
- json=$(toSingleLine "$json")
- mosquitto_pub -t $TOPIC -m "$json"
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