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import sys
import shlex
from subprocess import Popen, PIPE
from IPython.utils.py3compat import unicode_to_str
def shebang(line, cell):
cmd = shlex.split(unicode_to_str(line))
p = Popen(cmd, stdout=PIPE, stderr=PIPE, stdin=PIPE)
out,err = p.communicate(cell)
if err:
print >> sys.stderr, err
print out
get_ipython().register_magic_function(shebang, 'cell')
"""
From now, you can do:
%%shebang bash
uname -a
echo "foo $(hostname)"
"""
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