set-default-fnlock.sh

#!/bin/bash

# Set the function-key lock state on system boot for Fedora 37. Adapted from hglee's solution on Linux Mint:
# https://forums.linuxmint.com/viewtopic.php?p=2247849&sid=dd549cc8f87191b1bf45a5727cdd0fae#p2247849

# Current PARAM and MODULE variables defined for ASUS ExpertBook B5
# Valid values depend on target system.
# Try something like `sudo find / | grep fnlock` or `find /sys/module | grep fn` to locate the relevant system module.

PARAM=fnlock_default
MODULE=asus_wmi
MODFILE=/etc/modprobe.d/fn-lock.conf

if [[ ! -f /sys/module/$MODULE/parameters/$PARAM ]]; then
    echo -e "\n** $MODULE $PARAM NOT FOUND **\n"; exit 1
fi
echo
read -p "Enable $PARAM at boot (y/N)? " -n 1 STATE
if [[ $STATE =~ ^[Yy]$ ]]; then
    STATE="Y"; else STATE="N"
fi

OPTION="options $MODULE $PARAM=$STATE"
echo -e "\n"

if [[ ! -f $MODFILE ]]; then
    echo -e "Creating new modprobe file: $MODFILE"
else
    grep -q "$OPTION" "$MODFILE"
    if [ $? -eq 0 ]; then
        echo -e "** PARAMETER ALREADY SET **"
        exit 0
    fi
fi

echo -e "$OPTION\n" | sudo tee $MODFILE
echo -e "** $PARAM SUCCESSFULLY UPDATED **"
exit 0