auto-ocr.sh

#!/bin/bash

# Install homebrew and dependencies if missing...
if ! hash brew 2>/dev/null; then
    ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
fi
if ! hash tesseract 2>/dev/null; then
    brew install tesseract
fi
if ! hash fswatch 2>/dev/null; then
    brew install fswatch
fi
if ! hash convert 2>/dev/null; then
    brew install imagemagick
fi

while true; do
    SCREENSHOT=$(fswatch -1 ~/Desktop | grep '/Screen Shot')
    if [ "$SCREENSHOT" ]; then
        echo "Running OCR on $SCREENSHOT..."
        convert "$SCREENSHOT" -resize 300% -set colorspace Gray -separate -average -sigmoidal-contrast 10x60% ~/ss.tif
        OCR_TEXT=$(
            tesseract ~/ss.tif stdout 2> /dev/null |
            sed 's/ //g' |  # Remove spaces
            sed 's/O/0/g'   # Replace O with 0
        )
        echo "$OCR_TEXT"
        echo "$OCR_TEXT" | pbcopy
    fi
done