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sed - implementing an extended regexp to add a variable number of leading zeros based on position in a string – unix.stackexchange.com

I am having trouble getting my sed syntax down to add a varying Number of Leading Zeros to a numeric organizational scheme. The strings I am operating on appear like 1.1.1.1,Some Text Here ...

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sed - implementing an extended regexp to add a variable number of leading zeros based on position in a string – unix.stackexchange.com

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