v4l2-settings-restore.sh: don't use "echo -n"

[v4l2-persistent-settings.git] / v4l2-settings-restore.sh

diff --git a/v4l2-settings-restore.sh b/v4l2-settings-restore.sh
index bae3450..cb6b572 100755 (executable)
--- a/v4l2-settings-restore.sh
+++ b/v4l2-settings-restore.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 #
 # v4l2-settings-restore.sh - restore v4l2 device settings
 #
@@ -15,9 +15,8 @@
 [ "$DEBUG" = "true" ] && set -x
 set -e
 
-source /etc/default/v4l2-persistent-settings || :
-
-: "${SETTINGS_DIR:=/tmp}"
+SETTINGS_DIR="/tmp"
+[ -f /etc/default/v4l2-persistent-settings ] && . /etc/default/v4l2-persistent-settings
 
 SETTINGS_FILE="${SETTINGS_DIR}/${ID_V4L_PRODUCT}.conf"
 
@@ -25,8 +24,8 @@ if [ "$ACTION" = "add" ] && [ -f "$SETTINGS_FILE" ];
 then
   while read -r setting;
   do
-    CTRL=$(echo -n "$setting" | cut -d ' ' -f 1)
-    VAL=$(echo -n "$setting" | cut -d ' ' -f 2)
+    CTRL=$(echo "$setting" | tr -d '\n' | cut -d ' ' -f 1)
+    VAL=$(echo "$setting" | tr -d '\n' | cut -d ' ' -f 2)
     v4l2-ctl -d "$DEVNAME" --set-ctrl "${CTRL}=${VAL}"
   done < "$SETTINGS_FILE"
 fi