uncompressed/compressed distribution size ASCII table generation for inclusion in README

README.md

@@ -23,14 +23,15 @@ Download the latest binary releases for Mac/Windows/Linux here: https://github.c
 
 The zero-dependency distribution sizes are as follows:
 
-OS | Uncompressed size (MB) | bz2 Compressed size (MB)
------------- | ------------- | -------------
-Linux | 50.5 | 32.0
-Mac | 39.2 | 26.0
-Windows | 40.2 | 29.0
-Linux GUI | 75.9 | 51.9
-Mac GUI | 61.5 | 45.0
-Windows GUI | 62.6 | 47.4
+OS             | Uncompressed size (MB)     | Compressed size (MB)
+-------------- | ------------------------   | ------------------------
+Mac            | 39.2                       | 26.0
+Windows        | 40.2                       | 29.0
+Linux          | 50.5                       | 32.0
+Mac GUI        | 61.5                       | 45.0
+Windows GUI    | 62.6                       | 47.4
+Linux GUI      | 75.9                       | 51.9
+
 
 ## Building the launchers
 

bin/zip-all.sh

@@ -30,5 +30,22 @@ fi
 
 cd ..
 
-du -sk dist/* | awk '{printf "%.1f MB %s\n",$1/1024,$2}'
-du -sk dist-zip/* | awk '{printf "%.1f MB %s\n",$1/1024,$2}'
+
+print3ColsJustified () {
+  printf "%-.14s %s" "$1                                " "| "
+  printf "%-.26s %s" "$2                                " "| "
+  printf "%s\n" "$3"
+}
+getDirSizeMB () {
+  du -sk $1 | awk '{printf "%.1f",$1/1024,$2}'
+}
+
+print3ColsJustified "OS" "Uncompressed size (MB)" "Compressed size (MB)"
+print3ColsJustified "------------------------" "------------------------" "------------------------"
+print3ColsJustified "Mac" "`getDirSizeMB dist/mac`" "`getDirSizeMB dist-zip/i2p-zero-mac.v${VERSION}.tar.bz2`"
+print3ColsJustified "Windows" "`getDirSizeMB dist/win`" "`getDirSizeMB dist-zip/i2p-zero-win.v${VERSION}.zip`"
+print3ColsJustified "Linux" "`getDirSizeMB dist/linux`" "`getDirSizeMB dist-zip/i2p-zero-linux.v${VERSION}.tar.bz2`"
+print3ColsJustified "Mac GUI" "`getDirSizeMB dist/mac-gui`" "`getDirSizeMB dist-zip/i2p-zero-mac-gui.v${VERSION}.tar.bz2`"
+print3ColsJustified "Windows GUI" "`getDirSizeMB dist/win-gui`" "`getDirSizeMB dist-zip/i2p-zero-win-gui.v${VERSION}.zip`"
+print3ColsJustified "Linux GUI" "`getDirSizeMB dist/linux-gui`" "`getDirSizeMB dist-zip/i2p-zero-linux-gui.v${VERSION}.tar.bz2`"
+