Getting exact spawn egg of a mob

[simple steppe]

I've been working on a lil project. And for that I need to be able to get spawn eggs of mobs or a summon command of mobs in the wild. What I mean is let's say there's a zombie with diamond armor and a diamond sword. How do I get the summon / mob egg of that mob? How do I copy over the nbt data of one mob to a summon/mob egg
?

[lament vector]

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[ocean geyser]

use mcstacker

[gray parrot]

MCStacker

About

MCStacker is a Minecraft command generator, focusing on generating commands with NBT/item components easily without having to write long commands by hand.

Link

https://mcstacker.net/

[ocean geyser]

generate a /give command

make it give a spawn egg

and then configure the rest however you want

[cunning trellis]

since there is no copy_entity_data function the only way I can think of to set the entity_data is to run a data get command in a command block and then copy the previous output to a storage, remove the timestamp and add it in via a macro

[ocean geyser]

what in the actual world

[ocean geyser]

ohhh, i didnt read the question properly

[ocean geyser]

still, no need to complicate it. you can just copy entity's data in a data storage

[cunning trellis]

that's not a spawn egg nor a summon command

[ocean geyser]

you can just put it there

and its so much less complicated and much performant than doing it the way you suggested