tesseract-dl.sh

#/usr/bin/env bash
# usage: tesseract-dl.sh {copy/edit} {lang} https://example.com/image.png
# with no options specified it prints to STDOUT

which tesseract 1>/dev/null || alias tesseract='tesseract-ocr' # the binary name varies
image=$(mktemp --suffix tesseract-image)
outfile=$(mktemp --suffix tesseract.txt)

if [[ "$1" == "copy" ]]; then
    subcommand="xclip -i $outfile" # replace with your clipboard manager of choice
    shift
elif [[ "$1" == "edit" ]]; then
    subcommand="$VISUAL $outfile" # replace with your text editor of choice
    shift
else
    subcommand="cat $outfile"
fi

if [[ "$#" -gt 1 ]]; then
    lang="-l $1" # three letter code: fra/spa/jpn etc, with eng as default
    shift
fi

url=$1
wget "$url" -O $image 2>/dev/null
tesseract $image - $lang 2>/dev/null > $outfile || exit 1
$subcommand