我正在使用HN * 中的这个脚本来选择屏幕上的区域并复制其文本，我删除了带有 的行mogrify。它使用 spectacle，但打开 UI 需要一段时间，这是否可行，如果 Spectacle 在后台保持打开状态，速度会更快吗？slurp CLI 立即启动以供我选择区域，我寻找可能与之一起使用的命令行截图工具或有自己的区域支持但没有找到。两者都不maim scrot适用grim于 Plasma Wayland。我安装了 ksnip flatpak，但没有显示矩形区域的选项。
* 脚本：
#!/bin/bash
# Dependencies: tesseract-ocr imagemagick
# on gnome: gnome-screenshot
# on kde: spectacle
# on x11: xsel
# on wayland: wl-clipboard
die(){
notify-send "$1"
exit 1
}
cleanup(){
[[ -n $1 ]] && rm -r "$1"
}
SCR_IMG=$(mktemp -d) || die "failed to take screenshot"
# shellcheck disable=SC2064
trap "cleanup '$SCR_IMG'" EXIT
#notify-send "Select the area of the text"
if which "spectacle" &> /dev/null
then
spectacle -n -b -r -o "$SCR_IMG/scr.png" || die "failed to take screenshot"
else
gnome-screenshot -a -f "$SCR_IMG/scr.png" || die "failed to take screenshot"
fi
# increase image quality with option -q from default 75 to 100
mogrify -modulate 100,0 -resize 400% "$SCR_IMG/scr.png" || die "failed to convert image"
#should increase detection rate
tesseract "$SCR_IMG/scr.png" "$SCR_IMG/scr" &> /dev/null || die "failed to extract text"
if [ "$XDG_SESSION_TYPE" == "wayland" ]
then
wl-copy < "$SCR_IMG/scr.txt" || die "failed to copy text to clipboard"
else
# xsel -b -i < "$SCR_IMG/scr.txt" || die "failed to copy text to clipboard"
xclip -selection clipboard -i < "$SCR_IMG/scr.txt" || die "failed to copy text to clipboard"
fi
# Notify the user what was copied but truncate the text to 100 characters
notify-send "Text extracted from image" "$(head -c 100 "$SCR_IMG/scr.txt")" || die "failed to send notification"
exit #!/bin/bash
# Dependencies: tesseract-ocr imagemagick
# on gnome: gnome-screenshot
# on kde: spectacle
# on x11: xsel
# on wayland: wl-clipboard
die(){
notify-send "$1"
exit 1
}
cleanup(){
[[ -n $1 ]] && rm -r "$1"
}
SCR_IMG=$(mktemp -d) || die "failed to take screenshot"
# shellcheck disable=SC2064
trap "cleanup '$SCR_IMG'" EXIT
#notify-send "Select the area of the text"
if which "spectacle" &> /dev/null
then
spectacle -n -b -r -o "$SCR_IMG/scr.png" || die "failed to take screenshot"
else
gnome-screenshot -a -f "$SCR_IMG/scr.png" || die "failed to take screenshot"
fi
# increase image quality with option -q from default 75 to 100
mogrify -modulate 100,0 -resize 400% "$SCR_IMG/scr.png" || die "failed to convert image"
#should increase detection rate
tesseract "$SCR_IMG/scr.png" "$SCR_IMG/scr" &> /dev/null || die "failed to extract text"
if [ "$XDG_SESSION_TYPE" == "wayland" ]
then
wl-copy < "$SCR_IMG/scr.txt" || die "failed to copy text to clipboard"
else
# xsel -b -i < "$SCR_IMG/scr.txt" || die "failed to copy text to clipboard"
xclip -selection clipboard -i < "$SCR_IMG/scr.txt" || die "failed to copy text to clipboard"
fi
# Notify the user what was copied but truncate the text to 100 characters
notify-send "Text extracted from image" "$(head -c 100 "$SCR_IMG/scr.txt")" || die "failed to send notification"
exit
