mirror of https://github.com/Flinner/dots.git
49 lines
1.1 KiB
Bash
Executable File
49 lines
1.1 KiB
Bash
Executable File
#!/bin/sh
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exit_m() {
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echo "$1"
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exit 1
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}
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# curl with cache! (in "/tmp")
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curl_cache(){
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local cache_path=`echo $1 | sed 's|/|_|g'`
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local cache_path="/tmp/$cache_path"
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[ -f "$cache_path" ] || curl -s "$1" -o "$cache_path"
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echo "$cache_path"
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}
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domain="https://tutorial.math.lamar.edu/"
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file=`curl_cache "$1"` # main file, that has all questions
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q_num=$(( $2 - 1 )) #numbering starts at 1
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# naive method to check for only args!
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[ -n "$file" ] || exit_m "No Files Given"
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[ -n "$q_num" ] || exit_m "No Questoin Number Given!"
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[ ! -n "$3" ] || exit_m "Incorrect number of args :("
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# get all practice questions
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question_text=`cat $file | pup 'body .practice-problems li json{}' |
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jq ".[${q_num}].text" | tr -d '"'`
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# get all solution *links*
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solution_path=`cat $file | pup 'body .practice-problems li json{}' |
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jq -r ".[${q_num}].children[0].href"`
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solution_url="$domain/$solution_path"
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# ==== get solution =========
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# download if not already downloaded
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solution_path=`curl_cache "$solution_url"`
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echo "$question_text"
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echo "\n"
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cat "$solution_path" | pup 'body .soln-content p text{}'
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