mirror of https://github.com/Hilbis/Hilbish
32 lines
603 B
Lua
32 lines
603 B
Lua
local commander = require 'commander'
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local fs = require 'fs'
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commander.register('cat', function(args, sinks)
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local exit = 0
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if #args == 0 then
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sinks.out:writeln [[
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usage: cat [file]...]]
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end
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local chunkSize = 2^13 -- 8K buffer size
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for _, fName in ipairs(args) do
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local f = io.open(fName)
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if f == nil then
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exit = 1
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sinks.out:writeln(string.format('cat: %s: no such file or directory', fName))
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goto continue
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end
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while true do
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local block = f:read(chunkSize)
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if not block then break end
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sinks.out:write(block)
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end
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::continue::
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end
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io.flush()
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return exit
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end)
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