The `-b' and `--ignore-space-change' options ignore white space
at line end, and considers all other sequences of one or more
white space characters to be equivalent. With these options,
diff
considers the following two lines to be equivalent, where
`$' denotes the line end:
Here lyeth muche rychnesse in lytell space. -- John Heywood$ Here lyeth muche rychnesse in lytell space. -- John Heywood $
The `-w' and `--ignore-all-space' options are stronger than
`-b'. They ignore difference even if one file has white space where
the other file has none. White space characters include
tab, newline, vertical tab, form feed, carriage return, and space;
some locales may define additional characters to be white space.
With these options, diff
considers the
following two lines to be equivalent, where `$' denotes the line
end and `^M' denotes a carriage return:
Here lyeth muche rychnesse in lytell space.-- John Heywood$ He relyeth much erychnes seinly tells pace. --John Heywood ^M$
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