133 lines
4.6 KiB
Bash
Executable File
133 lines
4.6 KiB
Bash
Executable File
#!/bin/bash
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function getMdLinks(){ # Use: Takes a markdown file file.md, extracts all links, finds the unique ones and saves them to file.md.links
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linksFile="$1.links"
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linksFile2="$1.links2"
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echo ""
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echo "Extracting links..."
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rm "$1.links" -f
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grep -Eoi '\]\((.*)\)' $1 | grep -Eo '(http|https)://[^)]+' >> "$1.links"
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## sed -i 's/www.wikiwand.com\/en/en.wikipedia.org\/wiki/g' $1
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awk '!seen[$0]++' "$linksFile" > "$linksFile2" && mv "$linksFile2" "$linksFile"
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echo "Done."
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numLinesLinkFile=$(wc -l "$linksFile" | awk '{ print $1 }')
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totalTimeInMinutes=$(echo "scale=0; ($numLinesLinkFile*7.5 + 60*$numLinesLinkFile/15)/60" | bc)
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echo "Expected to take $totalTimeInMinutes mins."
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}
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function pushToArchive(){
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# Use: Takes a txt file with one link on each line and pushes all the links to the internet archive. Saves those links to a textfile
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# References:
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# https://unix.stackexchange.com/questions/181254/how-to-use-grep-and-cut-in-script-to-obtain-website-urls-from-an-html-file
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# https://github.com/oduwsdl/archivenow
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# For the double underscore, see: https://stackoverflow.com/questions/13797087/bash-why-double-underline-for-private-functions-why-for-bash-complet/15181999
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echo "Pushing to archive.org..."
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input="$1"
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counter=1
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archivedLinksFile="$1.archived"
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errorsFile="$1.errors"
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## rm -f "$archivedLinksFile"
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rm -f "$errorsfile"
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touch "$archivedLinksFile"
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touch "$errorsFile"
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## How to deal with errors that arise
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echo "If this file contains errors, you can deal with them as follows:" >> "$errorsFile"
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echo "- Do another pass with \$ longnow yourfile.md. If you don't delete yourfile.md.links.archived, past archive links are remembered, and only the links which are not there are sent again" >> "$errorsFile"
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echo "- Input the offending links manually to https://archive.org/, add the results to the yourfile.md.links.archived file manually, and then do another pass with \$ longnow yourfile.md" >> "$errorsFile"
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echo "" >> "$errorsFile"
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## Main body
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while IFS= read -r line
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do
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wait
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if [ $(($counter % 15)) -eq 0 ]; then
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printf "Archive.org doesn't accept more than 15 links per min; sleeping for 1min...\n\n"
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sleep 1m
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fi
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echo "Url: $line"
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urlAlreadyContained=$( ( grep "$line$" "$archivedLinksFile"; grep "$line/$" "$archivedLinksFile" ) | tail -1 )
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if [ "$urlAlreadyContained" == "" ]; then
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archiveURL=$(archivenow --ia $line)
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if [[ "$archiveURL" == "Error"* ]]; then
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echo "$line" >> "$errorsFile"
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echo "$archiveURL" >> "$errorsFile"
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echo "" >> "$errorsFile"
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echo "There was an error. See $errorsFile for how to deal with it."
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else
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echo "$archiveURL" >> "$archivedLinksFile"
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fi
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counter=$((counter+1))
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numSecondsSleep=$((5+ ($RANDOM%15)))
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else
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archiveURL="$urlAlreadyContained"
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numSecondsSleep=0
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fi
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echo $archiveURL
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echo "Sleeping for $numSecondsSleep seconds..."
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sleep $numSecondsSleep
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echo ""
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done < "$input"
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echo "Done."
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echo ""
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}
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function addArchiveLinksToFile(){
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originalFile="$1"
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originalFileTemp="$originalFile.temp"
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linksFile="$1.links"
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archivedLinksFile="$1.links.archived"
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errorsFile="$1.links.errors"
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longNowFile="$1.longnow"
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echo "Creating longnow file @ $longNowFile..."
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rm -f "$longNowFile"
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touch "$longNowFile"
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cp "$originalFile" "$originalFileTemp"
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while IFS= read -r url
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do
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wait
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archivedUrl=$( ( grep "$url$" "$archivedLinksFile"; grep "$url/$" "$archivedLinksFile") | tail -1)
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if [ "$archivedUrl" != "" ]; then
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## echo "Url: $url"
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## echo "ArchivedUrl: $archivedUrl"
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urlForSed="${url//\//\\/}"
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archiveUrlForSed="${archivedUrl//\//\\/}"
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sed -i "s/$urlForSed)/$urlForSed) ([a]($archiveUrlForSed))/g" "$1"
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##else
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##echo "There was an error for $url; see the $errorsFile"
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fi
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done < "$linksFile"
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mv "$originalFile" "$longNowFile"
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mv "$originalFileTemp" "$originalFile"
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echo "Done."
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}
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function longnow(){
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doesArchiveNowExist=$(whereis "archivenow")
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if [ "$doesArchiveNowExist" == "archivenow:" ]
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then
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echo "Required archivenow utility not found in path."
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echo "Install with \$ pip install archivenow"
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echo "(resp. \$ pip3 install archivenow)"
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echo "Or follow instructions on https://github.com/oduwsdl/archivenow"
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else
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getMdLinks $1
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pushToArchive $1.links
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addArchiveLinksToFile $1
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numLinesErrorFile=$(wc -l "$1.links.errors" | awk '{ print $1 }')
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if [ "$numLinesErrorFile" -gt 4 ] ;then
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echo "It seems that there are errors. To view and deal with them, see the $1.links.errors file"
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fi
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fi
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}
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longnow "$1" ## don't copy this line into your .bashrc file
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