Convert scanned jpeg's to pdf/a with OCR and encrypts them

convert_scanned_jpg_to_pdf

#! /usr/bin/env bash
#-- Dave Wallraff

# First things first, I'm the realest...

### convert scans to OCR'd PDF/A, and encrypt them
# curl -sL dwallraff.com/scanned | bash

# wrap in a function for curl|bash
do_stuff() {

    echo "Setting up..."
	echo "-------------"
	echo
	MY_OP_SESSION="${!OP_SESSION_*}"
	TODAY=$(date "+%Y%m%d")
	TEMPDIR=$(mktemp -d)
	mkdir -p "$TEMPDIR"/"$TODAY"_1password_backup/files || exit 1
	BACKUPDIR="$TEMPDIR"/"$TODAY"_1password_backup

    # Check if op is installed
	if [ ! "$(command -v op)" ]; then
		echo "The op cli is not installed. Aborting..."
		exit 1
	fi

	# Check if gpg is installed
	if [ ! "$(command -v gpg)" ]; then
		echo "gpg is not installed. Aborting..."
		exit 1
	fi

    # Check if gpg is installed
	if [ ! "$(command -v img2pdf)" ]; then
		echo "gpg is not installed. Aborting..."
		exit 1
	fi

    # Check if gpg is installed
	if [ ! "$(command -v ocrmypdf)" ]; then
		echo "gpg is not installed. Aborting..."
		exit 1
	fi
	
	# Check to ee if we need to log in
	if [ "$MY_OP_SESSION" = "" ]; then
		echo "You're not logged into op"
		echo "eval \$(op signin)"
		exit 1
	fi

    # Loop over jpegs, convert to pdf, and encrypt
    if ! exec 3<<<"$(op read op://Personal/secure_tarball_passphrase/password)"; then
		echo "Couldn't get tarball passphrase. Cleaning up and aborting..."
		rm -r "$TEMPDIR"
		exit 1
	fi
    
    for i in *.jpeg; do
        echo "Converting $i..."
        img2pdf "$i" | ocrmypdf -j1 -q --output-type pdfa --pdfa-image-compression jpeg --optimize 3 --deskew --clean - "$TODAY"_"${i%%.*}".pdf
        exec 3<<<"$(op read op://Personal/secure_tarball_passphrase/password"
        gpg --batch --cipher-algo AES256 --passphrase-fd 3 --symmetric --output "$TODAY"_"${i%%.*}".pdf.enc "$TODAY"_"${i%%.*}".pdf
    done

}

do_stuff