using file-and-replace sed command with the use of a variable?


 
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# 1  
Old 08-23-2010
Tools using file-and-replace sed command with the use of a variable?

Ok, so, let's say I have the variable $GMAILID....How can I use it with sed command so to replace a string in a file? e.g.:
Code:
sed -i 's/$GMAILID/test@gmail.com/' /home/$USER/Desktop/sendmail

# 2  
Old 08-23-2010
Just use it like:
Code:
sed -i "s/$GMAILID/test@gmail.com/" /home/$USER/Desktop/sendmail

# 3  
Old 08-23-2010
??? Thx for the reply but i told that this does not work...
This replace $GMAILID with test@gmail.com and not the value of $GMAILID variable with test@gmail.com Smilie
# 4  
Old 08-23-2010
Oh. I should have mentioned it more explicitly.
If you look carefully, the sed quotes that I use are double quotes and not single.
If you want to use variables with sed, you should be using double quotes.
# 5  
Old 08-23-2010
oh, I didn't noticed it...Very nice and helpful. Thank you Smilie
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