[Bug 1585425] [NEW] lsof outputs \nfcwd when called with -F option

[Mike Fitzgerald]

Public bug reported:

lsof 4.89 on Ubuntu 16.04 seems to output '\nfwd' after each line when
called with the -F option

e.g.
lsof -FpRc0   -- .

lsof 4.89 (Ubuntu 16.04):
p3010R1235cbash
fcwd
p3070R3069cbash
fcwd
p3084R3070clsof
fcwd
p3085R3084clsof
fcwd

lsof 4.86 (Ubuntu 14.04):
p48268R1406cbash
p48351R48350cbash
p48377R48351clsof
p48378R48377clsof

lsof 4.81 (Ubuntu 12.04):
p17201R12472cbash
p17563R12472cbash
p18635R12472cbash
p19010R19009cbash
p19045R18635clsof

** Affects: lsof (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1585425

Title:
  lsof outputs \nfcwd when called with -F option

Status in lsof package in Ubuntu:
  New

Bug description:
  lsof 4.89 on Ubuntu 16.04 seems to output '\nfwd' after each line when
  called with the -F option

  e.g.
  lsof -FpRc0   -- .

  lsof 4.89 (Ubuntu 16.04):
  p3010R1235cbash
  fcwd
  p3070R3069cbash
  fcwd
  p3084R3070clsof
  fcwd
  p3085R3084clsof
  fcwd

  lsof 4.86 (Ubuntu 14.04):
  p48268R1406cbash
  p48351R48350cbash
  p48377R48351clsof
  p48378R48377clsof

  lsof 4.81 (Ubuntu 12.04):
  p17201R12472cbash
  p17563R12472cbash
  p18635R12472cbash
  p19010R19009cbash
  p19045R18635clsof

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