ruby - removing escape characters when parsing a string from file -

i'm trying read file string interpolates variables defined in code, , substitutes string value of variables.

the text file:

my name #{name}

the code:

file = file.open("tesst.txt", "r") arr = [] name = "cdj" file.each_line.with_index { |line, index|   puts line } file.close

desired output:

my name cdj

actual output:

my name #{name}

when output line.inspect:

"my name \#{name}"

can me format string correctly reads #{name} variable instead of string inserted escape character?

file= 'tesst.txt' name = 'cdj'  file.readlines(file).each |line|   eval("puts \"#{line}\"") end

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