>I want to replace some words in a file
ok
>In words are present in whole file. But starting of each line in file is by different word so i am using a file in which first character of line at which i wanna do replacement is written
mmmh? I wonder how you could have a file with unwritten characters. Do you want to match only the first character?
>and along with it replaced word is given ( i name it match file)
uh?
sorry, I get lost, can't understand what you want to do exactly
Could we have a small example with some data
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