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31 lines
605 B
Bash
31 lines
605 B
Bash
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#!/bin/sh -e
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#
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# Scans /proc/bus/input/devices for the given device.
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#
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# (c) 2004 Darren Salt <linux@youmustbejoking.demon.co.uk>
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# GPL v2 or later applies.
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[ "$1" ] || exit 0
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# input device name, less leading "input/"
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DEVICE=${1#input/}
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# "|"-separated list.
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# The first found in the given device's "N:" line will be output.
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DEFAULT_KEYWORDS='dvb|saa7134'
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KEYWORDS=${2:-$DEFAULT_KEYWORDS}
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exec sed -nre '
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/^I:/ {
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: gather
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N
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/\nH:/! b gather
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/'"$DEVICE"'/ {
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s/^.*\nN:[^\n]*("|\b)('"$KEYWORDS"')("|\b)[^\n]*\n.*$/inputdev/
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T
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p
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}
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}
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' < /proc/bus/input/devices
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