HendriXXX

root@www:~# cat attach_test/pdf_compress.sh
#!/bin/bash

cd /var/www/foorumi/attachments

find . -name '*.dat' -mtime -1 | xargs file -i | grep 'pdf' | cut -d: -f1 > "24h-pdf-compress-"`date +"%d-%m-%Y"`".txt"
find . -name '*.dat' -mtime -1 | xargs file -i | grep 'pdf' | cut -d: -f1 | while read -r file

do
        touch -r "$file" "dummy_file"
        newname="$(dirname "$file")/new_$(basename "$file")"
        ps2pdf "$file" "$newname" || continue
        rm "$file"
        mv "$newname" "$file"
        touch -r "dummy_file" "$file"
        rm dummy_file
done

mv "24h-pdf-compress-"`date +"%d-%m-%Y"`".txt" /root/24h_pdf_compress_log
find . -iname '*.dat' -user root -exec chown www-data:www-data {} \;

exit 0