2024-01-09 14:23:05 +00:00
|
|
|
#!/bin/bash
|
|
|
|
|
|
|
|
function usage {
|
|
|
|
echo "usage: <n>$0"
|
2024-01-09 17:20:45 +00:00
|
|
|
echo "note: n is the number of essays to download"
|
|
|
|
echo "for specific n, the resulting pg.txt file will have the following number of tokens:"
|
|
|
|
echo "n | tokens"
|
|
|
|
echo "--- | ---"
|
|
|
|
echo "1 | 6230"
|
|
|
|
echo "2 | 23619"
|
|
|
|
echo "5 | 25859"
|
|
|
|
echo "10 | 36888"
|
|
|
|
echo "15 | 50188"
|
|
|
|
echo "20 | 59094"
|
|
|
|
echo "25 | 88764"
|
|
|
|
echo "30 | 103121"
|
|
|
|
echo "32 | 108338"
|
|
|
|
echo "35 | 113403"
|
|
|
|
echo "40 | 127699"
|
|
|
|
echo "45 | 135896"
|
2024-01-09 14:23:05 +00:00
|
|
|
exit 1
|
|
|
|
}
|
|
|
|
|
|
|
|
function has_cmd {
|
|
|
|
if ! [ -x "$(command -v $1)" ]; then
|
|
|
|
echo "error: $1 is not available" >&2
|
|
|
|
exit 1
|
|
|
|
fi
|
|
|
|
}
|
|
|
|
|
|
|
|
# check for: curl, html2text, tail, sed, fmt
|
|
|
|
has_cmd curl
|
|
|
|
has_cmd html2text
|
|
|
|
has_cmd tail
|
|
|
|
has_cmd sed
|
|
|
|
|
|
|
|
if [ $# -ne 1 ]; then
|
|
|
|
usage
|
|
|
|
fi
|
|
|
|
|
|
|
|
n=$1
|
|
|
|
|
|
|
|
# get urls
|
|
|
|
urls="$(curl http://www.aaronsw.com/2002/feeds/pgessays.rss | grep html | sed -e "s/.*http/http/" | sed -e "s/html.*/html/" | head -n $n)"
|
|
|
|
|
|
|
|
printf "urls:\n%s\n" "$urls"
|
|
|
|
|
|
|
|
if [ -f pg.txt ]; then
|
|
|
|
rm pg.txt
|
|
|
|
fi
|
|
|
|
|
2024-01-09 17:20:45 +00:00
|
|
|
c=1
|
2024-01-09 14:23:05 +00:00
|
|
|
for url in $urls; do
|
|
|
|
echo "processing $url"
|
|
|
|
|
2024-01-09 17:20:45 +00:00
|
|
|
cc=$(printf "%03d" $c)
|
|
|
|
|
|
|
|
curl -L $url | html2text | tail -n +4 | sed -E "s/^[[:space:]]+//g" | fmt -w 80 >> pg-$cc-one.txt
|
|
|
|
cat pg-$cc-one.txt >> pg.txt
|
|
|
|
|
|
|
|
cp -v pg.txt pg-$cc-all.txt
|
|
|
|
c=$((c+1))
|
2024-01-09 14:23:05 +00:00
|
|
|
|
|
|
|
# don't flood the server
|
|
|
|
sleep 1
|
|
|
|
done
|
|
|
|
|
|
|
|
echo "done. data in pg.txt"
|
|
|
|
|
|
|
|
exit 0
|