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I want to use the JOIN formula in Google Spreadsheets to transform all values in one column into a list, with , around each value.

Has anyone used this formula before? The only information I can find is the Google documentation—which describes it as =JOIN( delim, array_1, ...)—however, I don't understand what delim and array_1 refer to.

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Delim means delimiter

array_1 means the cells you want to use.


Will put a comma between each value from cells b1 to b4. The result appears in the cell where you put the formula.

Note: the cells must be in the form as 1xN or Nx1 array. In other words all in the same row, or all in the same column.

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