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how to add some string at the end of the line in a file : But also before 3 charcters .
I tried but ended up by appending at the last of the string .can anyone help me pls
Example :
I/P:
file1.txt:
content :
line1 :a
line2 :bbbb
lin3: vvvvv
line4: cccccc
line5: dd
line6 :rules(‘test’, ‘.*’, [abc,bcd]).
i tried using
sed -i ‘/rules/ s/$/ ***/’ file1.txt
O/P:
rules(‘test’,[abc,bcd]). ***
But preffered o/p:
rules(‘test’,[abc,bcd,***]).
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Author: yugandhar