Create PDF Thumbnail - shell (bash) script

Zkonvertuje libovolnou stránku z PDF souboru na obrázek PNG

# set functions
CONVERT()
{
	num=0
	name=$(basename "$file" .pdf | cut -d- -f1 | sed 's/.$//' | tr ' ' '-')
	ext="png"
	mark='/Users/danielpitra/Documents/--- Wordpress ---/- DanielPitra.cz -/--- img ---/watermark2.png'
	for page in ${pages[*]}
		do
			if [[ ! -e "$path"/"$name"_$num.$ext ]]; then
				echo "Creating thumbnail ..."
				convert -quiet -density 300 -quality 100 -thumbnail x1815 -background white -alpha remove "$file"[$page] "$path"/"$name"_$num.$ext
				while :
				do
					read -n 1 -s -p "Add watermark? [Y/n]" watermark
					case $watermark in
						""|[yY] )
							echo ""
							echo "Adding watermark to thumbnail ..."
							convert -quiet "$path"/"$name"_$num.$ext "$mark" -gravity center -composite "$path"/"$name"_$num.$ext
							echo "DONE!"
							break
							;;
						[nN] )
							echo ""
							echo "DONE!"
							break
							;;
						* )
							echo ""
							echo "Use only 'y' or 'n' !"
					esac
				done
			else
				while [[ -e "$path"/"$name"_$num.$ext ]]; do
					(( num++ ))
				done
				echo "Creating thumbnail ..."
				convert -quiet -density 300 -quality 100 -thumbnail x1815 -background white -alpha remove "$file"[$page] "$path"/"$name"_$num.$ext
				while :
				do
					read -n 1 -s -p "Add watermark? [Y/n]" watermark
					case $watermark in
						""|[yY] )
							echo ""
							echo "Adding watermark to thumbnail ..."
							convert -quiet "$path"/"$name"_$num.$ext "$mark" -gravity center -composite "$path"/"$name"_$num.$ext
							echo "DONE!"
							break
							;;
						[nN] )
							echo ""
							echo "DONE!"
							break
							;;
						* )
							echo ""
							echo "Use only 'y' or 'n' !"
					esac
				done
			fi
		done
}

# start
echo ""
while :
do
	read -e -p "Path to PDF: " file
	if [[ -d "$file" ]]; then
		echo "'$file' is a directory"
		echo "Enter path to PDF File!"
	elif [[ -z "$file" ]]; then
			echo "Enter path to file!"
	elif [[ "$file" = /* ]]; then
		file=$(echo "$file" | tr -d "\\")
			break
		else
			echo "Enter FULL path!"
	fi
done

while :
do
	read -e -p "Page to be converted (leave blank for first): " -a pages
	if [[ -z "$pages" ]]; then
			pages="0"
			break
		else
			break
	fi
done

while :
do
	read -e -p "Path to save: " path
	if [[ -f "$path" ]]; then
		echo "'$path' is file"
		echo "Enter path to save thumbnail into!"
	elif [[ -z "$path" ]]; then
			path='/Users/danielpitra/Documents/--- Wordpress ---/- DanielPitra.cz -/--- img ---/pdf thumbs'
			break
		else
			break
	fi
done

CONVERT

Neformátovaný

Přidáno: 9.2.2020
Expirace: Neuvedeno

Autor: Daniel Pitra