#!/bin/sh

# usage: ./fixup-v3 all-notes.data all-notes.json

#

# description: converts output given by the jar into readable json

# requires first argument as output of decrypted file

# requires second argument as reslt json

#

# implementation:

# perl: remove null characters

# sed: remove empty lines

# perl: delete control characters between final } and newline

# sed: replace all newline characters with comma

# echo: add '[' to the start of file

# sed: remove all characters before '{' at the start of each line starting from the second line

# sed: remove the comma at the end of the file and replace it with ']'

cat $1 | perl -p -e 's/\0\0../\n/g' | sed '/^$/d' | perl -p -e 's/}(?:.(?!}))+$/}/g' | sed 's/$/,/g' | (/bin/echo -n \[ && cat) | sed '2,$ s/^.{/{/' | sed '$s/.$/]/' | python3 -m json.tool > $2