In article
<canoe_mi+vew6t0ec-kcohouxn7o2a8v6qbbzrzqryvzi+b7...@mail.gmail.com>,
Herman <sorsor...@gmail.com> wrote:
> I was just trying to do in a shell to quickly monitor a file. Imagine
> instead of printing hello, it is "os.system("cat somefile")", etc.
> Look like it works if i press an enter after the "import xxx". Thanks.
If you are using a POSIX-compatible shell, the canonical approach for
use cases like this is to use a "here document", for example:
python - <<EOF
import os
while True:
print('hello')
EOF
The "-" tells the Python interpreter to read from stdin. The shell
supplies the lines between the <<EOF and the matching EOF as stdin.
http://en.wikipedia.org/wiki/Here_document
--
Ned Deily,
n...@acm.org
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