From 9cf471a1fadd465f916bcdc0a33878507c7ddbe5 Mon Sep 17 00:00:00 2001
From: Alban Bronisz <alban.bronisz@gmail.com>
Date: Sat, 20 Nov 2021 22:10:27 +0100
Subject: [PATCH] Update

---
 commandes.md | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/commandes.md b/commandes.md
index 4d1a9be..14f924b 100755
--- a/commandes.md
+++ b/commandes.md
@@ -4,6 +4,7 @@ PDF
 
 [pdftk](https://doc.ubuntu-fr.org/pdftk)
 
+* img > pdf: `convert *.jpg output.pdf`
 * concat: `pdftk *.pdf cat output tous.pdf`
 * deconcat: `pdftk input.pdf burst`
 * deconcat avec prefix: `pdftk input.pdf burst output page_no%d.pdf`
@@ -20,12 +21,23 @@ PDF
     ```
     pdftk input.pdf cat 6 2-5 7-9 output sortie.pdf
     ```
-
+* Compression (pour impression) :
+    ```
+    gs -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/printer -dNOPAUSE -dQUIET -dBATCH  -sPAPERSIZE=a4 -dFIXEDMEDIA -dPDFFitPage  -sOutputFile=output.pdf input.pdf
+    ```
 
 Images
 ------
+ - Une image
+```
+convert -resize 50% image.jpg image.jpg`
+```
 
-`convert -resize 50% image.jpg image.jpg`
+ - En batch
+```
+mkdir tmp
+for i in *.JPG ; do convert -resize 1500 "$i" "tmp/$i" ; done
+```
 
 
 Pandoc