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https://github.com/lunarmodules/luasocket.git
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52 lines
1.5 KiB
Lua
52 lines
1.5 KiB
Lua
local lp = require("socket.lp")
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local function usage()
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print('\nUsage: lua lpr.lua [filename] [keyword=val...]\n')
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print('Valid keywords are :')
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print(
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' host=remote host or IP address (default "localhost")\n' ..
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' queue=remote queue or printer name (default "printer")\n' ..
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' port=remote port number (default 515)\n' ..
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' user=sending user name\n' ..
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' format=["binary" | "text" | "ps" | "pr" | "fortran"] (default "binary")\n' ..
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' banner=true|false\n' ..
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' indent=number of columns to indent\n' ..
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' mail=email of address to notify when print is complete\n' ..
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' title=title to use for "pr" format\n' ..
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' width=width for "text" or "pr" formats\n' ..
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' class=\n' ..
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' job=\n' ..
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' name=\n' ..
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' localbind=true|false\n'
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)
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return nil
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end
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if not arg or not arg[1] then
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return usage()
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end
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do
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local opt = {}
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local pat = "[%s%c%p]*([%w]*)=([\"]?[%w%s_!@#$%%^&*()<>:;]+[\"]?.?)"
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for i = 2, #arg, 1 do
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string.gsub(arg[i], pat, function(name, value) opt[name] = value end)
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end
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if not arg[2] then
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return usage()
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end
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if arg[1] ~= "query" then
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opt.file = arg[1]
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r,e=lp.send(opt)
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io.stdout:write(tostring(r or e),'\n')
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else
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r,e=lp.query(opt)
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io.stdout:write(tostring(r or e), '\n')
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end
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end
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-- trivial tests
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--lua lp.lua lp.lua queue=default host=localhost
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--lua lp.lua lp.lua queue=default host=localhost format=binary localbind=1
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--lua lp.lua query queue=default host=localhost
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