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--- software:pdf [2013/09/19 16:40]
127.0.0.1 external edit
+++ software:pdf [2014/09/14 18:57]
cyril [convert (image magick)]
@@ Line 15: / Line 15: @@
 ===== PDFTK =====
-Split and merge PDF files:
+  * Split and merge PDF files:<code>
-<code>
 pdftk 1.pdf 2.pdf 3.pdf cat output 123.pdf
 pdftk A=one.pdf B=two.pdf cat A1-7 B1-5 A8 output combined.pdf
 pdftk A=one.pdf B=two.pdf cat A1 B1W output combined.pdf # rotate West B1 (E,N,W,S)
+pdftk one.pdf two.pdf shuffle output combined.pdf # shuffle the two files (A1 B1 A2 B2 A3 B3...)
 </code>
+  * Encrypt/decrypt, set permissions, repair:
-Encrypt/decrypt, set permissions, repair:
 [[http://www.accesspdf.com/article.php/20041129175231241]]
+===== pdfjam =====
+  * split and merge:<code>
+pdfjam file1.pdf '-' file2.pdf '1,2' file3.pdf '2-' --outfile output.pdf
+</code>
+  * set multiple pages in one:<code>
+pdfjam --nup 2x1 --landscape true --frame false file.pdf
+</code>
+===== sed =====
+  * crop pages (here remove 14% of page height at the bottom):<code>
+sed 's/MediaBox \[0 0 612 1008*/MediaBox \[0 145 612 1008]/g'<in.pdf >out.pdf
+</code>/!\ some tools such as pdftk or gs may consider the file as corrupted afterwards
 ===== convert (image magick) =====
@@ Line 30: / Line 44: @@
 <code>
 convert page-*.png -page A4 [-rotate 90] test.pdf
+convert -density 300x300 test.png test.pdf
+convert -units PixelsPerInch -density 300x300 -extent 2480x3508 -gravity center -background white test.png test.pdf
 </code>
+Convert pdf page into image file at resolution 300dpi:
+<code>
+convert -density 300x300 test.pdf test.png
+</code>
 ===== pdftotext =====