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-rwxr-xr-xconfigs/releng/airootfs/usr/local/bin/livecd-sound10
1 files changed, 3 insertions, 7 deletions
diff --git a/configs/releng/airootfs/usr/local/bin/livecd-sound b/configs/releng/airootfs/usr/local/bin/livecd-sound
index 87d6f30..baae0d2 100755
--- a/configs/releng/airootfs/usr/local/bin/livecd-sound
+++ b/configs/releng/airootfs/usr/local/bin/livecd-sound
@@ -136,7 +136,7 @@ sanify_levels_on_card()
# $1 <card ID> | "all"
sanify_levels()
{
- local ttsdml_returnstatus=0
+ local ttsdml_returnstatus=0
local card
case "$1" in
all)
@@ -171,13 +171,9 @@ unmute_all_cards()
sanify_levels all
}
-nwords() {
- echo $#
-}
-
is_numeric() {
local str=$1
- expr match "$str" '[[:digit:]]\+$' > /dev/null 2>&1
+ [[ "$str" =~ ^[0-9]+$ ]]
}
set_default_card() {
@@ -197,7 +193,7 @@ pick_a_card()
{
set -f
usable_cards="$(list_non_pcsp_cards)"
- num_usable_cards=$(nwords $usable_cards)
+ num_usable_cards="$(wc -w <<< "$usable_cards")"
if [ "$num_usable_cards" -eq 1 ]; then
systemd-cat -t "livecdsound" printf "Only one sound card is detected\n"