From a52ed01ed875104ed030d8c6d4fd56e72bee64fd Mon Sep 17 00:00:00 2001
From: dabruh <11458706-dabruh@users.noreply.gitlab.com>
Date: Fri, 21 Oct 2022 21:45:44 +0200
Subject: [PATCH] Initial version

---
 .local/bin/compresspdf | 71 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100755 .local/bin/compresspdf

diff --git a/.local/bin/compresspdf b/.local/bin/compresspdf
new file mode 100755
index 0000000..cbee058
--- /dev/null
+++ b/.local/bin/compresspdf
@@ -0,0 +1,71 @@
+#!/bin/bash
+
+# compresspdf
+# Version: 0.1.0
+# Author: dabruh
+# GitLab: https://gitlab.com/dabruh
+# GitHub: https://github.com/dabruh
+#
+# Simply compress a PDF
+
+SCRIPT_NAME="$(basename -- "$0")"
+FORCE=false
+
+function usage() {
+    echo "Usage: $SCRIPT_NAME [OPTIONS]"
+    echo
+    echo "Options:"
+    echo "  -h           Display help."
+    echo "  -i [FILE]    Input file."
+    echo "  -o [FILE]    Output file."
+    echo "  -f           Overwrite existing output file."
+}
+
+while getopts ":i:o:fh" arg; do
+    case $arg in
+    i) INPUT_FILE_PATH="$(realpath "$OPTARG")" ;;
+    o) OUTPUT_FILE_PATH=$OPTARG ;;
+    f) FORCE=true ;;
+    h)
+        usage
+        exit 0
+        ;;
+    :)
+        echo "$SCRIPT_NAME: Must supply a value with -$OPTARG." >&2
+        usage
+        exit 1
+        ;;
+    ?)
+        echo "Invalid option: -${OPTARG}."
+        echo
+        usage
+        exit 2
+        ;;
+    esac
+done
+
+if [ -z "$INPUT_FILE_PATH" ]; then
+    echo "$SCRIPT_NAME: Missing mandatory option -i." >&2
+    usage
+    exit 3
+elif [ -z "$OUTPUT_FILE_PATH" ]; then
+    INPUT_FILE_DIR="${INPUT_FILE_PATH%/*}"
+    INPUT_FILE_FULL_NAME="${INPUT_FILE_PATH##*/}"
+    INPUT_FILE_NOEXT_NAME="${INPUT_FILE_FULL_NAME%.*}"
+    INPUT_FILE_EXT="${INPUT_FILE_PATH##*.}"
+    OUTPUT_FILE_PATH="$INPUT_FILE_DIR/$INPUT_FILE_NOEXT_NAME-min.$INPUT_FILE_EXT"
+fi
+
+if [ -f "$OUTPUT_FILE_PATH" ]; then
+    echo "File exists: $OUTPUT_FILE_PATH" >&2
+
+    if $FORCE; then
+        echo "Removing: $OUTPUT_FILE_PATH" >&2
+        rm "$OUTPUT_FILE_PATH" || exit 11
+    else
+        exit 12
+    fi
+fi
+
+gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/prepress -dNOPAUSE -dQUIET -dBATCH -sOutputFile="$OUTPUT_FILE_PATH" "$INPUT_FILE_PATH" || exit 21
+echo "$OUTPUT_FILE_PATH"