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how to add text into the last line of text file

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# 1  
Old 09-20-2012
Data how to add text into the last line of text file
I need help with insert text to the last line of text file with echo command

I know can do something like
Code:
echo "i4\n$logtext\n.\nwq" | ex -s $file

can insert to first line, but how can i change this code in order to insert to the last line of text file?

please help, thank you Smilie
# 2  
Old 09-20-2012
Remove the 4 and check for yourself.
This User Gave Thanks to elixir_sinari For This Post:
gavin_L
# 3  
Old 09-20-2012
Try like...
Code:
echo "i4\n$logtext\n.\nwq" >>test1.txt

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