66 lines
1.8 KiB
Bash
Executable File
66 lines
1.8 KiB
Bash
Executable File
#!/bin/bash
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export PUP_BINARY="$(which pup)"
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if ! command -v pup &> /dev/null
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then
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wget --quiet https://github.com/ericchiang/pup/releases/download/v0.4.0/pup_v0.4.0_linux_amd64.zip -O pup.zip
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echo "ec3d29e9fb375b87ac492c8b546ad6be84b0c0b49dab7ff4c6b582eac71ba01c pup.zip" | sha256sum --strict --check
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unzip -o pup.zip
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rm pup.zip
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chmod +x ./pup
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export PUP_BINARY="$(pwd)/pup"
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fi
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# Call with INX Page_num file_name
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function fetch_page() {
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echo "[+] $1/$2"
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curl "https://nsdl.co.in/master_search_res.php" \
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--no-progress-meter \
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--user-agent "Mozilla/Gecko/Firefox/58.0" \
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--retry 10 \
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--connect-timeout 30 \
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--retry-max-time 100 \
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--data cnum=$1 \
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--data "page_no=$2" | \
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$PUP_BINARY '#nsdl-tables tr json{}' | \
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# Generate a CSV (this contains the header row as well)
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jq --raw-output '.[] | [.children[1].children[0].text, .children[2].text, .children[3].text,.children[4].text,.children[5].text]|@csv' | \
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# Convert & to &
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sed 's/&/\&/g' | \
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# Drop the first row
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tail -n +2 >> "$3"
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}
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function fetch_total_pages() {
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curl "https://nsdl.co.in/master_search_res.php" \
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--user-agent "Mozilla/Gecko/Firefox/58.0" \
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--silent \
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--data cnum=$1 \
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--data "page_no=1" |
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$PUP_BINARY 'input[name=total_page] attr{value}'
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}
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export -f fetch_page
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function fetch_class() {
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for i in $(seq 1 $2); do
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sem -j 10 --timeout 500% fetch_page $1 $i "$1.csv"
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done
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}
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CLASS="$1"
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total=$(fetch_total_pages "$CLASS")
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echo "::group::$CLASS (Total=$total)"
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rm -f "$CLASS.csv"
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fetch_class "$CLASS" $total
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echo "::endgroup::"
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sem --wait
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# Sort the file in place
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sort -o "$CLASS.csv" "$CLASS.csv"
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# Remove lines that don't start with the correct prefix
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# This is to avoid ISINs like INF955L01IN9 showing up under IN9
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# Note that there is a " at the beginning to account for quoted CSVs
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sed -i "/^\"$CLASS/!d" "$CLASS.csv"
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