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