Match the description $($left$)$ with the method $($right$)$

Reads the entire content of a text file into a single string

Answer $1$

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Writes the entire content of a string to a text file

Answer $2$

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Reads all lines of a text file into a string array

Answer $3$

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Appends a string to the end of a text file

Answer $4$

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Reads lines of a file one at a time, returning an IEnumerable