From 90933f91a477c583ee48cefb325430ff687c7089 Mon Sep 17 00:00:00 2001
From: Shy <shy@koeln.ccc.de>
Date: Sat, 3 Aug 2024 23:39:46 +0200
Subject: [PATCH] Use a function to call curl.

---
 wled | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/wled b/wled
index a35e524..59cbec4 100755
--- a/wled
+++ b/wled
@@ -6,13 +6,15 @@
 # Author: Shy
 # License: CC0
 
-CURL_FLAGS="--silent --show-error --fail --ipv4 --max-filesize 64K"
-
 print_usage() {
     echo "Usage: $0 f(nordcenter)|w(ohnzimmer) on|off|1-17|list"
     echo "       $0 f(nordcenter)|w(ohnzimmer) b(rightness) 1-255"
 }
 
+curl_cmd() {
+    curl --silent --show-error --fail --ipv4 --max-filesize 32K "$@"
+}
+
 # Parse host argument.
 case "$1" in
     ""|-h|--h) # Missing host parameter.
@@ -35,10 +37,10 @@ esac
 # Parse and execute command argument.
 case "$2" in
     on) # Switch on.
-        api_resp=$(curl $CURL_FLAGS --json '{"on":true}' "http://$wled_host/json")
+        api_resp=$(curl_cmd --json '{"on":true}' "http://$wled_host/json")
     ;;
     off) # Switch off.
-        api_resp=$(curl $CURL_FLAGS --json '{"on":false}' "http://$wled_host/json")
+        api_resp=$(curl_cmd --json '{"on":false}' "http://$wled_host/json")
     ;;
     b|brightness) # Set brightness.
         if test -z "$3"; then
@@ -54,22 +56,22 @@ case "$2" in
             echo "Error: parameter for brightness is out of range." >&2
             exit 1
         fi
-        api_resp=$(curl $CURL_FLAGS --json "{'bri':$bright}" "http://$wled_host/json")
+        api_resp=$(curl_cmd --json "{'bri':$bright}" "http://$wled_host/json")
     ;;
     [1-9]|1[0-7]) # Switch to preset.
-        api_resp=$(curl $CURL_FLAGS --json "{'on':true,'ps':$2}" "http://$wled_host/json")
+        api_resp=$(curl_cmd --json "{'on':true,'ps':$2}" "http://$wled_host/json")
     ;;
     l|list) # List presets.
         echo "Presets on $wled_host:"
-        curl $CURL_FLAGS "http://$wled_host/presets.json" | \
+        curl_cmd "http://$wled_host/presets.json" | \
             # Split into lines - one line per preset. Append final newline.
-            sed --sandbox 's/"\(1\?[0-9]\)"/\n"\1"/g; $a\' | \
+            sed --sandbox 's/"\(1\?[0-9]\)"/\n"\1"/g; $a\ ' | \
             # Extract number and name of every preset.
             sed --sandbox -n 's/^"\(1\?[0-9]\)":.*"n":"\([[:print:]]*\)".*$/\1: \2/p'
         exit $?
     ;;
     dump) # Dump JSON response from API.
-        curl $CURL_FLAGS -w '\n' "http://$wled_host/json"
+        curl_cmd -w '\n' "http://$wled_host/json"
         exit 0
     ;;
     "") # Missing command.