volume_get 346 B

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  1. #!/bin/sh
  2. VOLUME_DEFAULT_VALUE=50
  3. # Check args
  4. if [ ${#} -ne 0 ]; then
  5. echo "Usage: $(basename ${0})"
  6. exit 1
  7. fi
  8. # Sanity check: Check if integer
  9. volume=$(fw_printenv -n volume 2>/dev/null)
  10. if ! [ ! "${volume}" -ne "${volume}" ] 2> /dev/null; then
  11. volume=${VOLUME_DEFAULT_VALUE}
  12. fw_setenv volume ${volume}
  13. fi
  14. echo ${volume}
  15. exit 0