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Shell Programming and Scripting

How to print in newline through script?

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Top Forums Shell Programming and Scripting How to print in newline through script?
# 1  
Old 01-09-2012
How to print in newline through script?
For Example,
Code:
echo `date` >  test.txt

echo $hostname>> SuccessLogin.txt; echo '\n'login is successful>> SuccessLogin.txt

echo $hostname>> FailureLogin.txt; echo '\n'login is failure>> failureLogin.txt

now i want to print the O/P in newline for every host i logged into, then i have to write in SuccessLogin.txt.

Please Advise..
Thanks in Advance


Moderator's Comments:
Mod Comment Please use code tags!
Last edited by zaxxon; 01-09-2012 at 08:24 AM.. Reason: code tags
# 2  
Old 01-09-2012
If running the script with sh shell , then use $ echo "\n login is success" >> SuccessLogin.txt

If running with ksh (or) bash shells, then try the below ..
Code:
$ echo "" >> SuccessLogin.txt ; echo "Login is successful" >> SuccessLogin.txt

This User Gave Thanks to jayan_jay For This Post:
lravip123
# 3  
Old 01-09-2012
Might not understand your question. Are you trying to get $hostname and the message output on the same line?
Code:
echo "${hostname} login is successful" >> SuccessLogin.txt

Or if you want to see it on the screen and write to the log at the same time.
Code:
echo "${hostname} login is successful" |tee -a SuccessLogin.txt

# 4  
Old 01-09-2012
Code:
echo -e "line1\nline2"

# 5  
Old 01-09-2012
Not all systems have echo -e, but nearly everything has printf. So:

Code:
printf "%s" "line1\nline2\nline3\n"

Note how every line needs \n, including the very last one. printf never prints newlines unless you tell it to.
This User Gave Thanks to Corona688 For This Post:
mirni
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