Save xkcd to a pdf with captions

curl -sL xkcd.com | grep '<img [^>]*/><br/>' | sed -r 's|<img src="(.*)" title="(.*)" alt="(.*)" /><br/>|\1\t\2\t\3|' > /tmp/a; curl -s $(cat /tmp/a | cut -f1) | convert - -gravity south -draw "text 0,0 \"$(cat /tmp/a | cut -f2)\"" pdf:- > xkcd.pdf
Saves to a PDF with title and alt text of comic. As asked for on http://bbs.archlinux.org/viewtopic.php?id=91100 Change xkcd.com to dynamic.xkcd.com/comics/random for a random comic.

6
2010-03-03 03:41:31

What Others Think

Error: convert: Non-conforming drawing primitive definition `s' @ draw.c/DrawImage/3123. Result: Alt text garbled
oshazard · 674 weeks and 1 day ago
convert: unable to read font `/usr/share/fonts/default/TrueType/arial.ttf'. convert: Non-conforming drawing primitive definition `m'.
SuperFly · 674 weeks and 1 day ago
convert: unable to read font `/usr/share/fonts/default/TrueType/arial.ttf'. if you got this, try this: add -font "helvetica" to the convert command e.g.: ...| convert -font "helvetica" png:- ... this: convert: Non-conforming drawing primitive definition `m'. is still coming up, but you'll see the text in the pdf
nbk1971 · 674 weeks and 1 day ago
nice, but didn't work - same problem as comments above
leovailati · 674 weeks and 1 day ago
I think I've fixed those problems please try it again. Remember it saves to a pdf file so you should have an "xkcd.pdf" in your local directory.
matthewbauer · 674 weeks and 1 day ago
It worked aces for me; I was the first to give it a thumbs up. :P Something I've considered giving a go, but have yet to - converting it to vector and doubling (or tripling) in size before saving to pdf. Also it would be pretty sweet to name each pdf "comicNumber.pdf" rather than just xkcd.pdf. If I could do that, and successfully achieve the vector "zoom" effect, i'd totally make this a daily cron. :)
trench · 674 weeks ago
There is no need for the temp file. You can use convert on a URL. So the major thing might be IMG=`curl -sL xkcd.com| grep '<img [^>]*/><br/>'|awk -F\" '{print $2}'`;convert $IMG -gravity south -draw "text 0,0 \"$IMG\"" pdf:- > xkcd.pdf
houghi · 674 weeks ago
@trench Try this: number=100; for a in $(seq 1 $number); do curl -sL xkcd.com/$a | grep '<img [^>]*/><br/>' | sed -r 's|<img src="(.*)" title="(.*)" alt="(.*)" /><br/>|\1\t\2\t\3|' > /tmp/a; curl -s $(cat /tmp/a | cut -f1) | convert - -gravity south -draw "text 0,0 \"$(cat /tmp/a | cut -f2)\"" pdf:- > /tmp/$a.pdf; done; gs -dBATCH -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile=xkcd.pdf $(seq 1 $number | sed -r 's/(.*)/\/tmp\/\1.pdf/'); rm /tmp/a /tmp/*.pdf
matthewbauer · 674 weeks ago
@houghi The problem is it gives the URL of the xkcd comic not the alt text @trench Actually this is more what you want: number=100; mkdir xkcd; for a in $(seq 1 $number); do curl -sL xkcd.com/$a | grep '<img [^>]*/><br/>' | sed -r 's|<img src="(.*)" title="(.*)" alt="(.*)" /><br/>|\1\t\2\t\3|' > /tmp/a; curl -s $(cat /tmp/a | cut -f1) | convert - -gravity south -draw "text 0,0 \"$(cat /tmp/a | cut -f2)\"" pdf:- > xkcd/$a.pdf; done
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