Revert "On second though, shell script should not have .sh extension for simplicity"

This reverts commit 249eb79fc9.

README.md

@@ -7,9 +7,9 @@ You need to have ghoscript installed on your machine.
 ```
 git clone https://gitea.auro.re/otthorn/pdf-optimize
 cd pdf-optimize
-chmod +x pdf-optimize
+chmod +x pdf-optimize.sh
 sudo mkdir -p /opt/bin/
-sudo cp pdf-optimize /opt/bin/
+sudo cp pdf-optimize.sh /opt/bin/pdf-optimize
 ```
 
 Don't forget to add `/opt/bin` to your `PATH`.

pdf-optimize

@@ -19,18 +19,11 @@ function usage
 {
 	echo "usage: pdf-optimize [options] input.pdf"
 	echo "    ";
-    echo "  -a | --archive          : archive mode (PDF/A)";
-    echo "  -c | --compatibility    : compability more with PDF 1.4";
-    echo "  -h | --help             : print this message";
-    echo "  -k | --quality          : choose quality profile from:
-                             * 1 HIGH QUALITY [default]
-                             * 2 LOW QUALITY
-                             * 3 AGGRESSIVE
-                             * 4 VERY AGGRESIVE";
 	echo "  -o | --output           : output filename";
 	echo "  -q | --quiet            : run quietly";
 	echo "  -v | --verbose          : run verbosly";
 	echo "  -y | --yes-to-replace   : yes to replace existing files";
+	echo "  -h | --help             : print this message";
 	echo "    ";
 	echo "If no output path is specified, given input.pdf as input will output
 input_compressed.pdf"
@@ -48,10 +41,7 @@ function arg_parse
 
 	while [ "$1" != "" ]; do
 		case "$1" in
-            -k | --quality )          quality="$2";      shift;; 
 			-o | --output )           output_path="$2";  shift;;
-            -a | --archive )          archive=1;;
-            -c | --compatibility )    compatibility=1;;
 			-q | --quiet )            quiet=1;;
 			-v | --verbose )          verbose=1;;
 			-y | --yes-to-replace )   replace=1;;
@@ -105,36 +95,32 @@ function run
 ${bold}$output_path${normal}."
 	fi
 
-    # define the base command
-    base_command="
-        gs -sDEVICE=pdfwrite \
+	# run the compression using ghostscript
+	if [[ "$verbose" != 1 ]]; then
+		ghostscript -sDEVICE=pdfwrite \
+		   -dCompatibilityLevel=1.4 \
 		   -dPDFSETTINGS=/prepress \
 		   -dNOPAUSE \
-           -dBATCH ";
-
-    # add compatibilty
-    if [[ "$compatibility" == 1 ]]; then
-        base_command+="-dCompatibilityLevel=1.4 ";
+		   -dQUIET \
+		   -dBATCH \
+		   -sOutputFile=$output_path \
+		   $input_path
+	else
+		echo "input_path=$input_path";
+		echo "output_path=$output_path";
+		echo "quiet=$quiet";
+		echo "verbose=$verbose";
+		echo "replace=$replace";
+		echo "    ";
+		ghostscript -sDEVICE=pdfwrite \
+		   -dCompatibilityLevel=1.4 \
+		   -dPDFSETTINGS=/prepress \
+		   -dNOPAUSE \
+		   -dBATCH \
+		   -sOutputFile=$output_path \
+		   $input_path 
 	fi
 	
-    # ask ghostsript to be quiet
-    if [[ "$verbose" == 1 ]]; then
-        base_command+="-dQUIET ";
-    fi
-    
-    # add archive mode option
-    if [[ "$archive" == 1 ]]; then
-        base_command+="-dPDFA=2 -dPDFACompatibilityPolicy=1 "
-    fi
-
-    # add input and ouput paths
-    base_command+="-sOutputFile=$output_path \
-           $input_path"
-
-    # run command
-    echo $base_command;
-    #eval $base_command;
-
 	# catching errors
 	if [[ "$?" != 0 ]]; then
 		echo "Something went wrong with ghostscript.";
@@ -144,7 +130,7 @@ ${bold}$output_path${normal}."
 
 	# compute the compresion rate
 	if [[ "$quiet" != 1 ]]; then
-        #compute_compression;
+		compute_compression;
 	fi
 }