44 lines
979 B
Lua
44 lines
979 B
Lua
local M = {}
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function M.lookup()
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local keywords = vim.fn.getreg("*") -- receive yanked text
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keywords = keywords:sub(2, #keywords)
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local url = "https://dl.acm.org/action/doSearch?AllField=" .. keywords
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url, empty = url:gsub(" ", "+")
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-- Setup a http socket and request
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local command = string.format("curl -s '%s'", url)
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-- Execute the curl command and capture its output
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local handle = io.popen(command)
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local response = ""
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if handle ~= nil then
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response = handle:read("*a")
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handle:close()
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else
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response = ""
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end
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-- select doi links from response
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local b = 1
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local doi_links = {}
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while true do
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local x, y = response:find("//doi/[a-zA-Z]+/10.[0-9]+/[0-9.]+/gm", b, false)
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-- stop if no further occurrences are found
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if x == nil or y == nil then
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break
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end
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-- save substring to doi_links
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doi_links:insert(response:sub(x, y))
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b = y
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end
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print("Keywords: " .. keywords)
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print("URL: " .. url)
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print("links: " .. doi_links)
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end
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return M
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