2020-07-22 14:43:23 +02:00
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#!/usr/bin/sh
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2018-08-05 18:53:07 +02:00
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## WolframAlpha CLI
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# load api key
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token="${XDG_CONFIG_HOME:-$HOME}/wolfram"
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source $token
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# properly encode query
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q=$(echo ${*} | sed 's/+/%2B/g' | tr '\ ' '\+')
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# fetch and parse result
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result=$(curl -s "http://api.wolframalpha.com/v2/query?input=${q}&appid=${API_KEY}&format=plaintext")
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if [ -n "$(echo ${result} | grep 'Invalid appid')" ] ; then
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echo "Invalid API key!"
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echo "Get one at https://developer.wolframalpha.com/portal/apisignup.html"
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echo -n 'Enter your WolframAlpha API key:'
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read api_key
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echo "API_KEY=${api_key}" >> $token
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exit 1
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fi
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result=`echo "${result}" \
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| tr '\n' '\t' \
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| sed -e 's/<plaintext>/\'$'\n<plaintext>/g' \
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| grep -oE "<plaintext>.*</plaintext>|<pod title=.[^\']*" \
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| sed -e 's!<plaintext>!!g; \
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s!</plaintext>!!g; \
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s!<pod title=.*!\\\x1b[1;36m&\\\x1b[0m!g; \
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s!^! !g; \
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s!<pod title=.!\n!g; \
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s!\&!\&!g; \
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s!\<!<!g; \
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s!\>!>!g; \
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s!\"!"!g' \
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-e "s/\'/'/g" \
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| tr '\t' '\n' \
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| sed '/^$/d; \
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s/\ \ */\ /g; \
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s/\\\:/\\\u/g'`
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# print result
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echo -e "${result}"
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