diff --git a/source/_posts/make-pdf-files-smaller.md b/source/_posts/make-pdf-files-smaller.md
index 231787e..abfc36d 100644
--- a/source/_posts/make-pdf-files-smaller.md
+++ b/source/_posts/make-pdf-files-smaller.md
@@ -53,10 +53,14 @@ Use the following script to compress all PDFs in a folder.
Usage: `sh pdfcompress.sh 'target folder'`
+*If `'target folder'` is not specified, defaults to current directory.*
+
```bash
#!/bin/sh
-cd "$1"
+if [ -n "$1" ]; then
+ cd "$1"
+fi
for i in *.pdf; do
[ -f "$i" ] || break
@@ -64,8 +68,7 @@ for i in *.pdf; do
# Skip compressed PDFs
echo "$i" | grep --quiet ".compressed.pdf"
- if [ $? = 1 ]
- then
+ if [ $? = 1 ]; then
gs \
-sOutputFile="${i%.*}.compressed.pdf" \
-sDEVICE=pdfwrite \
@@ -80,5 +83,36 @@ for i in *.pdf; do
done
```
+If you prefer to use the original filename as the compressed version and rename the original uncompressed's to "*.original.pdf",
+
+*Following script doesn't skip previously compressed PDFs*
+
+```bash
+#!/bin/sh
+
+if [ -n "$1" ]; then
+ cd "$1"
+fi
+
+for i in *.pdf; do
+ [ -f "$i" ] || break
+
+ # Rename original file to *.original.pdf
+ original="${i%.*}.original.pdf"
+ mv "$i" "$original"
+
+ gs \
+ -sOutputFile="$i" \
+ -sDEVICE=pdfwrite \
+ -dPDFSETTINGS=/ebook \
+ -sColorConversionStrategy=Gray \
+ -sColorConversionStrategyForImages=/Gray \
+ -dProcessColorModel=/DeviceGray \
+ -dCompatibilityLevel=1.4 \
+ -dNOPAUSE -dBATCH -dQUIET \
+ "$original"
+done
+```
+
Source: [Internal Pointers](https://www.internalpointers.com/post/compress-pdf-file-ghostscript-linux), [firstdoit](https://gist.github.com/firstdoit/6390547), [ahmed-musallam](https://gist.github.com/ahmed-musallam/27de7d7c5ac68ecbd1ed65b6b48416f9), [Ghostscript Docs](https://ghostscript.com/doc/current/Ps2pdf.htm)