39 lines
959 B
Bash
Executable File
39 lines
959 B
Bash
Executable File
#!/bin/sh
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# Display notification for a certain amount of time
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# Special char: ^ to add a new line
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# Set seconds to 0 to display indefinitely (until the next notif)
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NOTIFICATION_DISPLAY=/sys/class/graphics/fb0/notification
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display_usage() {
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echo -e "Usage:\n$(basename ${0}) nb_seconds_display message_to_display\n"
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}
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# If less than two arguments supplied, display usage
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if [ ${#} -le 1 ]; then
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echo "Display notification for a certain amount of time"
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display_usage
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exit 1
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fi
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# Get number of seconds to display notif
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nb_secs=${1}
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if ! [ ! "${nb_secs}" -ne "${nb_secs}" ] 2> /dev/null; then
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echo "error: ${nb_secs} is not a number" >&2
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exit 1
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fi
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# Print notif
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printf "${*:2}" > ${NOTIFICATION_DISPLAY}
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# Clear notif if NB_SECS is not 0, otherwise never clear
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if [ ${nb_secs} -ne 0 ]; then
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# Wait time before clearing notif
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sleep ${nb_secs}
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# Clear notif
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printf "clear" > ${NOTIFICATION_DISPLAY}
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fi
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exit 0
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