Use the PrusaLink API with curl to upload & print a G-Code file

upload_and_print.sh

#!/bin/bash

# Use the PrusaLink API with curl to upload & print a G-Code file
# Usage: ./upload_and_print.sh <gcode_file>
# License: CC-0 / Public Domain

PRINTER_URL="${PRUSA_PRINTER_URL:-}" # must not include trailing slash!
PRINTER_API_KEY="${PRUSA_API_KEY:-}"

if [ $# -eq 0 ]; then
    echo "Usage: $0 <gcode_file>"
    exit 1
fi

GCODE_FILE="$1"

if [ ! -f "$GCODE_FILE" ]; then
    echo "Error: File '$GCODE_FILE' not found!"
    exit 1
fi

echo "Uploading $GCODE_FILE to $PRINTER_URL..."

# Get filename for the endpoint
FILENAME=$(basename "$GCODE_FILE")

curl -X PUT \
    -H "User-Agent: PrusaSlicer/2.9.2" \
    -H "Accept: */*" \
    -H "X-Api-Key: $PRINTER_API_KEY" \
    -H "Print-After-Upload: ?1" \
    -H "Content-Type: text/x.gcode" \
    -H "Overwrite: ?1" \
    --data-binary "@$GCODE_FILE" \
    "$PRINTER_URL/api/v1/files/usb//$FILENAME"