Update README.md

README.md

@@ -6,10 +6,8 @@ Customisable SVG wallpaper with Decentrala logo.
 
 You could replace all the colors with `replace_colors.sh`.
 
-Initial colors are hardcoded, so it's one time trick.
-For the second attempt do not forget to revert initial colors:
 ```
-git restore wall.svg
+./replace_colors.sh wall.svg wall.repainted.svg 073642 B58900 586E75"
 ```
 
 ## Initial colors

replace_colors.sh

@@ -1,19 +1,22 @@
 #!/bin/bash
 
-if [ "$#" -ne 4 ]; then
-  echo "Usage: $0 <filename> <new_bg> <new_fg> <new_shadow>"
-  echo ""
-  echo "Example: $0 wall.svg 073642 B58900 586E75"
+if [ "$#" -ne 5 ]; then
+  echo "Usage: $0 <source> <target> <new_bg> <new_fg> <new_shadow>"
+  echo "Example: $0 wall.svg wall.repainted.svg 073642 B58900 586E75"
   exit 1
 fi
 
-filename=$1
-new_bg=$2
-new_fg=$3
-new_shadow=$4
+sourceFile=$1
+targetFile=$2
+new_bg=$3
+new_fg=$4
+new_shadow=$5
 
-sed -i "s/#222222/#$new_bg/g" "$filename"
-sed -i "s/#444444/#$new_fg/g" "$filename"
-sed -i "s/#262626/#$new_shadow/g" "$filename"
+cp $sourceFile $targetFile
 
-echo "Colors replaced in $filename: bg=$new_bg, fg=$new_fg, shadow=$new_shadow"
+sed -i "s/#222222/#$new_bg/g" "$targetFile"
+sed -i "s/#444444/#$new_fg/g" "$targetFile"
+sed -i "s/#262626/#$new_shadow/g" "$targetFile"
+
+echo "Colors replaced"
+echo "$targetFile: bg=$new_bg, fg=$new_fg, shadow=$new_shadow"