how can I write this shell script in python?

in unix we do something like user@user$ cat file | grep .... so I want to write the code for this pipe command in c/python. and what is the actual code which unix use for piping.

In the python script...I click the run thing but it just flashes the python shell and I don't know what to type in the shell so that the script would run in python 3.1.4...pls. help...

So here's my shell script: increment=1 terminating=512 while [[ "$increment" -lt "$terminating" ]] do     time python DoublePendulum.py 1 "$increment" 1 20000     increment=$((increment * 2)) done But I realized I did something...

I was handling him not too long ago and I thought about this awesome idea to do something for there species and help to promote awareness about how snakes can make great pets as much as a dog, cat, bird, or a fish can, but I remember I had asked a similar...

In Spring xd we can execute single stream commands in the xd: prompt. Is there any way to write a whole batch script just like .sh file in Spring xd. I need to execute multiple lines of spring xd command in one go, I couldn't find a way to do the same...

e.g     http://www.youtube.com/playlist?... this is the link of a youtube playlist. one way to download all these videos is download 1 by 1 or use some third party software. (I dont want that but if you have information about some kind of browser plugin...

Write a script which re-implements the functionality of egrep. Like egrep, it must read from files passed as arguments, and if there weren't any, read instead from standard input (try /dev/stdin). Use sed to check whether the pattern matches a line ...

I am using them somewhat interchangeably for my work.  I am more proficient in bash at this point and trying to figure out how to make the transition to relying more heavily on Python. The downside is that for a given task I have to budget more time...

So another way to ask this could be:"How many "upvotes" does your answer to this question have? "Can you write a script that automatically edits your answer to it's current number of 'upvotes' ? Say your answer is '1'. When someone...