標準入力から Bash script を実行する場合に引数を渡す方法 ref: http://qiita.com/yteraoka/items/b592dc147f233564dc24

file0.txt

$ echo 'echo $1; echo $2' | bash hoge fuga
bash: hoge: No such file or directory

file1.txt

$ echo 'echo $1; echo $2' | bash - hoge fuga
bash: hoge: No such file or directory

file2.txt

$ echo 'echo $1; echo $2' | bash /dev/stdin hoge fuga
hoge
fuga