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#!/usr/bin/env sh
# OCR a screen region (default) or an image file → clipboard.
#
# Usage:
# ocr # interactive: select a region with slurp, OCR it
# ocr <file> # OCR an image file
#
# Requires: tesseract (+tesseract-data-eng, tesseract-data-por),
# grim, slurp, wl-clipboard, libnotify.
#
# Override languages via TESSERACT_LANG (e.g. TESSERACT_LANG=eng).
set -eu
lang="${TESSERACT_LANG:-eng+por}"
if [ "${1:-}" ]; then
[ -r "$1" ] || { notify-send -u critical "📋 OCR" "Cannot read: $1"; exit 1; }
text="$(tesseract "$1" - -l "$lang" 2>/dev/null || true)"
else
region="$(slurp 2>/dev/null)" || exit 0
text="$(grim -g "$region" - | tesseract - - -l "$lang" 2>/dev/null || true)"
fi
# Trim trailing whitespace per line; collapse runs of blank lines; drop
# leading blanks.
text="$(printf '%s\n' "$text" | awk '
{ sub(/[[:space:]]+$/, "") }
NF { print; blank = 0; next }
!blank { print; blank = 1 }
' | sed -e '/./,$!d')"
if [ -z "$text" ]; then
notify-send -u low "📋 OCR" "No text detected."
exit 1
fi
printf '%s' "$text" | wl-copy
notify-send -t 3000 "📋 OCR copied" "$(printf '%s' "$text" | head -c 200)"
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