Question about bash / alias / expanding / next command word

[Bernd Walther]

Hello,

i don't believe, there is a bug,
but i am confused about the expanding of alias
in the following bash commands


  alias myprogram="/data/usr/batch/myprogram"
  alias xxx="ls -l"
  alias yyy="ls -l "
  touch myprogram
  ls -l myprogram

  xxx myprogram
  # 1) the second alias is NOT be evaluated, correctly

  yyy myprogram
  # 2) the second alias will be evaluated, correctly, because yyy ends with
a blank
  # 'its not a bug, its a feature', see on manual

  alias yyy="ls -l"
  # okay, turn back, make no blank at the end, like 1), but...

  yyy myprogram
  # 3) the state "alias is ending with a blank" will not be resetted after
given a new value, why ?


regards Bernd Walther, Germany



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