package:
  name: trf
  version: "4.07b"

source:
  fn: trf407b
  url: https://tandem.bu.edu/trf/downloads/trf407b.linux64 # [linux64]
  url: https://tandem.bu.edu/trf/downloads/trf407b.linux # [linux32]
  url: https://tandem.bu.edu/trf/downloads/trf407b.macos64 # [osx]

build:
  number: 0
  skip: False

test:
  files:
    - test-data/dbia3.fasta
  commands:
    - trf 2>&1 | grep Tandem > /dev/null
    - trf dbia3.fasta 2 7 7 80 10 50 500 2>&1 | grep "Tandem" > /dev/null

package:
  name: trf
  version: "4.07b"

source:
  fn: trf407b
  url: https://tandem.bu.edu/trf/downloads/trf407b.linux64 # [linux64]
  url: https://tandem.bu.edu/trf/downloads/trf407b.linux # [linux32]
  url: https://tandem.bu.edu/trf/downloads/trf407b.macos64 # [osx]

build:
  number: 0
  skip: False

test:
  files:
    - test-data/dbia3.fasta
  commands:
    - trf 2>&1 | grep Tandem > /dev/null
    - trf dbia3.fasta 2 7 7 80 10 50 500 2>&1 | grep Tandem > /dev/null

Remove not needed quotations mark
Remove not needed quotations mark