bash cat multiple files contents in to single line without newlines

cat filename | tr "\n" "" > new_filename

echo "append line " >> new_filename

** by this command -->  tr "\n" ""

    It can remove newline. 

현미경으로 본 벚꽃 (microscope: cherry blossoms,pistil,pollen)- 显微镜

벚꽃잎 암술 (cherry flower pistil)

벚꽃잎 (cherryblossoms)

벚꽃가루(pollen)

꽃가루 - crop image: pollen)

수술(stamen)

수술 확대( stamen crop image)

microscope: Olympus CH,   ( with iphone 5s) 

Making anaconda python3 environment

# check installed module ;체크 인스톨 모듈

conda search python

# check environment ;환경확인

conda info --envs

#If env which you want exists, 

    linux$ source activate {envname}

    window$> activate {envname}

#cehck version :버전확인

   python --version

#없으면 생성 

  conda create --name py3. python=3