lsh

• Index

Examples

• cmd.lua
• libc.lua
• memfd.lua
• path.lua
• pipeline.lua
• stringx.lua
• test.lua

Modules

• lsh
• lsh.cmd
• lsh.cmd.child
• lsh.cmd.status
• lsh.fio
• lsh.fio.fh
• lsh.memfd
• lsh.path
• lsh.pipeline
• lsh.pipeline.children
• lsh.pipeline.pstatus
• lsh.stringx
• lsh.time

Topics

• README

memfd.lua

local sh = require 'lsh'

print('-- memfd --')
do
  local buf = '123'
  local memfd = sh.memfd(buf)
  assert(tostring(memfd) == '123')

  memfd:write('456789')
  assert(tostring(memfd) == '123456789')
  memfd:seek(0)
  memfd:write('foobar')
  assert(tostring(memfd) == 'foobar789')

  memfd:seek(6)
  local res = memfd:read()
  assert(res == '789')
  memfd:seek(0)
  local res = memfd:read()
  assert(res == 'foobar789')


end

print('-- memfd exec io --')

do
  local buf = 'hello'
  local res, err = sh.cmd('cat'):stdin(sh.memfd(buf))
                                :output()
  assert(not err)

  assert(tostring(res.stdout) == buf)

end

print('-- memfd read lines --')

do
  local buf = '123\n456\r\n\r\n\n567\nabc\n\na\rab\rfoo'
  local out = {
    '123',
    '456',
    '',
    '',
    '567',
    'abc',
    '',
    'a',
    'ab',
    'foo'
  }

  local memfd = sh.memfd(buf)

  local i = 1
  for line in memfd:lines() do
    assert(line == out[i])
    i = i + 1
  end
end