osx - How to catch softwareupdate output -


i'm trying catch output of softwareupdate command under os x. softwareupdate -l >> somefile catch first few lines (software update tool copyright 2002-2012 apple inc. finding available software), rest missing (no new software available.) need bash script.

current catching code: update=$(softwareupdate -l);

any appreciated.

try redirecting stderr messages well. command substitution captures output sent stdout (fd 1; stderr = fd 2).

update=$(softwareupdate -l 2>&1)

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