I want to save/download pdfs from X website and then combined all those pdfs into one, so that it is easy for me to see all of them at once.

What I did,

get pdfs from website

`wget -r -l1 -A.pdf --no-parent http://linktoX`

combine pdfs into one

`gs -dNOPAUSE -sDEVICE=pdfwrite -sOUTPUTFILE=Combined_`date +%F`.pdf -dBATCH file1.pdf file2.pdf file3.pdf`

My question/problem is, I thought of automating whole this in one script, so that I don't have to do this everyday. Here new pdfs are added daily in X.

So, how can I do step 2 above, without giving full list of all the pdfs, i tried doing `file*.pdf`

in step2; but it combined all pdfs in random order.

Next problem is, total number of file*.pdf is not same everyday, sometimes 5 pdfs sometimes 10...but nice thing is it is named in order file1.pdf file2.pdf ...

So, I need some help to complete above step 2, such that all pdfs are combined in order and I dont have to give name of each pdf explicitly

Thanks.

UPDATE: This solved the problem

```
pdftk `ls -rt kanti*.pdf` cat output Kanti.pdf
```

I did `ls -rt`

as `file1.pdf`

was downloaded first, and then `file2.pdf`

and so on...just doing `ls -t`

put `file20.pdf`

in the start and `file1.pdf`

in last...