find: Formatting Flags
3.2.4 Formatting Flags
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The '%m' and '%d' directives support the '#', '0' and '+' flags, but the
other directives do not, even if they print numbers. Numeric directives
that do not support these flags include
'G', 'U', 'b', 'D', 'k' and 'n'.
All fields support the format flag '-', which makes fields
left-aligned. That is, if the field width is greater than the actual
contents of the field, the requisite number of spaces are printed after
the field content instead of before it.