Graphic
ImageMagick
quick dirty autoconvert raw images
ls *.CR2 | while read i;do dcraw -w -q 3 -c $i | convert -colorspace HSL -channel Saturation -negate -evaluate multiply 0.95 -negate -colorspace sRGB -gamma 1.1 -normalize -unsharp 0.5x0.5+0.5+0.008 -blur 1x1 - "`basename $i .CR2`b.jpg";done
Merge convert multiple jpg's files into one pdf
tnx 2 dlemstra
convert [-density 300] -define pdf:fit-page=A4 *.jpg out.pdf
Merge convert multiple PDF files into one PDF
tnx 2 alcohol
pdftk file1.pdf file2.pdf cat output target.pdf