Shell script Batch processing string

Last Friday operations there was a excle for a mobile phone number, asking for information about all users that correspond to user numbers. This time encountered a problem is that you need to query the number of users, not one to check, and excle in the format does not conform to the format of sqlquery, so you must be given the format of the user number to the correct format, as follows (from the left to the format to the right)

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In the middle of a few failures, the end use of the following code, will be users in the user loop to extract the complete string, respectively, to the correct format

Shell script Batch processing string