llm-character-gen.bash

#!/bin/bash

model="llama-3.2-3b-instruct"

#Gender is a 50/50.  No need for an LLM there.
gender=$([ $((RANDOM % 2)) -eq 0 ] && echo "Male" || echo "Female")


#Ancestry; Trying for a high variation here.
ancestry=$(curl -s http://localhost:9090/v1/chat/completions   -H "Content-Type: application/json"   -d '{
    "model": "${model}",
    "messages": [
      { "role": "system", "content": "You are a character generator.  You give the shortest possible answer you can." },
      { "role": "user", "content": "Pick a random ancestry for the human character.  It can be any regular Earth ancestry.  Pick anywhere from the planet." }
    ],
    "temperature": 10,
    "max_tokens": -1,
    "stream": false
}' | jq '.choices[].message.content' | sed -e 's/ \\n"//g' | tr -cd '[:alnum:][:space:]' )

#Last Name;  We feed ancestry and gender here so the last name should be less random.
lastn=$(curl -s http://localhost:9090/v1/chat/completions   -H "Content-Type: application/json"   -d "{
    \"model\": \"${model}\",
    \"messages\": [
      { \"role\": \"system\", \"content\": \"You are a character generator.  You give the shortest possible answer you can.\" },
      { \"role\": \"user\", \"content\": \"Give the last name of a ${ancestry}, ${gender} character.\" }
    ],
    \"temperature\": 0.8,
    \"max_tokens\": -1,
    \"stream\": false
}" | jq '.choices[].message.content' | sed -e 's/ \\n//g' | tr -cd '[:alnum:][:space:]' )

#First name.  Narrowing down what the LLM thinks the first name should be now that we know the ancestry, gender and last name.
firstn=$(curl -s http://localhost:9090/v1/chat/completions   -H "Content-Type: application/json"   -d "{
    \"model\": \"${model}\",
    \"messages\": [
      { \"role\": \"system\", \"content\": \"You are a character generator.  You give the shortest possible answer you can.\" },
      { \"role\": \"user\", \"content\": \"Give the first name of a ${ancestry}, ${gender} character with the ${lastn} surname.\" }
    ],
    \"temperature\": 0.8,
    \"max_tokens\": -1,
    \"stream\": false
}" | jq '.choices[].message.content' | sed -e 's/ \\n//g' | tr -cd '[:alnum:][:space:]' )

occu=$(curl -s http://localhost:9090/v1/chat/completions   -H "Content-Type: application/json"   -d "{
    \"model\": \"${model}\",
    \"messages\": [
      { \"role\": \"system\", \"content\": \"You are a character generator.  You give the shortest answer possible.\" },
      { \"role\": \"user\", \"content\": \"Give the modern occupation of ${firstn} ${lastn}, a ${gender} of ${ancestry} ancestry.\" }
    ],
    \"temperature\": 1.8,
    \"max_tokens\": -1,
    \"stream\": false
}" | jq '.choices[].message.content' | sed -e 's/ \\n//g' | tr -cd '[:alnum:][:space:]' )
hair=$(curl -s http://localhost:9090/v1/chat/completions   -H "Content-Type: application/json"   -d "{
    \"model\": \"${model}\",
    \"messages\": [
      { \"role\": \"system\", \"content\": \"You are a character generator.  You give the shortest answer possible.\" },
      { \"role\": \"user\", \"content\": \"We are considering ${firstn} ${lastn}, a ${gender} of ${ancestry} ancestry.  Their occupation is ${occu}.  What should their hair color be?\" }
    ],
    \"temperature\": 1.8,
    \"max_tokens\": -1,
    \"stream\": false
}" | jq '.choices[].message.content' | sed -e 's/ \\n//g' | tr -cd '[:alnum:][:space:]' )
echo "${ancestry}, ${gender}, ${firstn}, ${lastn}, ${occu}, ${hair} hair."
curl -s http://localhost:9090/v1/chat/completions   -H "Content-Type: application/json"   -d "{
    \"model\": \"${model}\",
    \"messages\": [
      { \"role\": \"system\", \"content\": \"You are a character generator.  You give the shortest answer possible.\" },
      { \"role\": \"user\", \"content\": \"We are considering ${firstn} ${lastn}, a ${gender} of ${ancestry} ancestry.  Their occupation is ${occu}.  Their hair color is ${hair}.  Write a DALL-E description of them.\" }
    ],
    \"temperature\": 1.8,
    \"max_tokens\": -1,
    \"stream\": false
}" | jq '.choices[].message.content'