FORMATS var_list (fmt_spec) [var_list (fmt_spec)]….
FORMATS set both print and write formats for the specified
variables to the specified format specification.
See Input and Output Formats.
Specify a list of variables followed by a format specification in parentheses. The print and write formats of the specified variables will be changed. All of the variables listed together must have the same type and, for string variables, the same width.
Additional lists of variables and formats may be included following the first one.
FORMATS takes effect immediately. It is not affected by
conditional and looping structures such as DO IF or LOOP.