How can I use pipe


 
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# 1  
Old 03-02-2011
How can I use pipe

Hi, guys:

I am working on my shell using c. How can I use pipe to implement the following?
Code:
ls -l 1>> | grep hellp 1<< 2>> | less 2<<

(the output of ls goes to grep, and the output of grep goes to less)


Thanks


Moderator's Comments:
Mod Comment Please use [code] and [/code] tags when posting code, data or logs etc. to preserve formatting and enhance readability, thanks.

Last edited by zaxxon; 03-02-2011 at 11:05 AM.. Reason: code tags
# 2  
Old 03-02-2011
Question

What are you asking?
What are you trying to accomplish with your command?
It would appear that some of your redirection is un-needed.
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