40 lines
2.1 KiB
Bash
Executable file
40 lines
2.1 KiB
Bash
Executable file
#!/bin/bash
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#This is a script to show a new picture from archillect.com every 10 minutes.
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#in your tmux, you should run ./timer-wrapper.sh, which calls this script every 10 minutes and is an infinite loop.
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#made by @CosmoGecko
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#enable start of graphical apps
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export DISPLAY=:0
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#make a working directory and use it
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[ -d archillect-resources ] ||
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mkdir archillect-resources ||
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(
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echo 'The folder archillect-resources already exists but is not a directory, please delete or rename.';
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exit 1
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)
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cd archillect-resources
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#get a fresh archillect-home.html
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[ -e archillect-home.html ] &&
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(
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rm archillect-home.html; echo 'Removed old archillect-home.html'
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)
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wget --output-document='archillect-home.html' archillect.com
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#get the picture number of the most recent post by searching for the first six-digit number, and download that image detail site
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wget --output-document='archillect-imagedetail.html' archillect.com/`grep -o -P '\d{6}' archillect-home.html | cut -f 1 -d$'\n'`
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#grep the image embedded, and download the image. Also write the archillect-image-ID to a file.
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wget --output-document='archillect-currentimage' `grep 'id="ii"' archillect-imagedetail.html | grep -o -P 'http.*\.(jpg|png|gif)\ '`
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#show the new image and kill the previous instance of the image viewer
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# open a new image viewer and write its pid to new-pid
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sxiv -f -b -a -s f archillect-currentimage & echo $! > new-pid
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# checking whether the process with old-pid is really the old image viewer
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# checking whether old-pid is really just a number, exists and is not empty
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# disabled: compare the value in old-pid with the running process id for the image viewer, (where both must not be empty at the same time, has been checked already)
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# if the running pid of the old image viewer matches the one saved previously by the script, kill the old image viewer
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grep -P '\d*' old-pid &&
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# [[ `pgrep -f "sxiv -f -b -s f archillect-currentimage"` -eq $(<old-pid) ]] &&
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[[ $(<old-pid) -ne 0 ]] &&
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kill -15 $(<old-pid) || echo 'No old image viewer was found, and no process was killed.'
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mv new-pid old-pid
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