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Shell Programming and Scripting

Redirect output from terminal

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# 1  
Old 05-12-2015
Redirect output from terminal
i make a shell script. There has a line wget
Code:
https://cisofy.com/files/lynis-2.1.0-88394c1affb9e23bd7390098947b3fd4b04e35e8.tar.gz

When this line execute terminal show some text like this
Code:
Resolving cisofy.com (cisofy.com)... 149.*.*.*
Connecting to cisofy.com (cisofy.com)|149.*.*.*|:4444... connected.
HTTP request sent, awaiting response... 200 OK
Length: 180493 (176K) [application/octet-stream]
Saving to: `lynis-2.1.0-88394c1affb9e23bd7390098947b3fd4b04e35e8.tar.gz.1'

100%[======================================>] 180,493     56.5K/s   in 3.1s    

2015-05-13 03:46:43 (56.5 KB/s) - `lynis-2.1.0-88394c1affb9e23bd7390098947b3fd4b04e35e8.tar.gz.1' saved [180493/180493]

I want that the terminal don't show any text when the line execute. I tried
Code:
https://cisofy.com/files/lynis-2.1.0-88394c1affb9e23bd7390098947b3fd4b04e35e8.tar.gz | &> /dev/null

but it not work.Smilie
Please help me Smilie
# 2  
Old 05-12-2015
From man wget:

Code:
       -q
       --quiet
           Turn off Wget's output.

# 3  
Old 05-12-2015
If the line execution line was
Code:
 mv /root/Desktop/lynis/plugins/* /etc/lynis/plugins/

then i stop showing output by
Code:
-q
       --quiet

same system ?
# 4  
Old 05-12-2015
There is not general rule-of-thumb in suppressing output many commands support a (-q or --quiet) option but many do not. check your on-line manual for the particular command and if no quiet option is available you may have to redirect standard out.

For example:

Code:
mv /root/Desktop/lynis/plugins/* /etc/lynis/plugins/ > /dev/null 2>&1

But think carefully what you want to happen in the case of an error (eg the plugins folder is empty, you run out of disk space, etc). If no one is around to see or act on the error perhaps it needs to be captured to a file and emailed to someone who can deal with it later on.
This User Gave Thanks to Chubler_XL For This Post:
Devils-ey3
# 5  
Old 05-13-2015
&> /dev/null in post#1 if fine; just remove the pipe in front.
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