src/usr.bin/expand/expand.1 - diff

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Diff for /src/usr.bin/expand/expand.1 between version 1.18 and 1.19

version 1.18, 2011/12/28 01:52:33

version 1.19, 2014/03/10 20:37:27

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The options are as follows:

.Bl -tag -width flag

.It Fl a

.Pq Nm unexpand No only

By default, only leading blanks and tabs

are reconverted to maximal strings of tabs.

If the

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option is given, tabs are inserted whenever they would compress the

resultant file by replacing two or more characters.

.It Fl t Ar tablist

.Pq Nm expand No only

If the argument to

.Fl t ,

.Ar tablist ,

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.Fl t

may consist of a list

of two or more positive decimal integers,

comma separated,

separated by commas or single blank characters,

in ascending order:

in the event of having to process a

.Aq tab

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.Pq - .

.El

.Sh EXIT STATUS

The

.Ex -std expand unexpand

.Nm expand

and

.Nm unexpand

utilities exit 0 on success or \*(Gt0 if an error occurred.

.Sh SEE ALSO

.Xr fold 1

.Sh STANDARDS

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.Nm unexpand

utilities are compliant with the

.St -p1003.1-2008

specification,

specification.

with the following exceptions:

.Pp

.Bl -bullet -offset indent

The

.It

.St -p1003.1-2008

.Tn POSIX

specification mandates that

does not support specifying tabstops without use of the

.Fl t

flag.

.It

.Tn POSIX

specifies that multiple tabstops may be given separated by

commas or blanks.

This implementation supports only comma-separated tabstops.

.It

.Nm unexpand

does not recognise the

supports the

.Fl t

flag.

flag, but that is not supported by this implementation.

.El

.Pp

The ability to specify tabstops without the

.Fl t

flag is not specified by

.St -p1003.1-2008 ,

though it states it

.Dq may be present in some implementations .

.Sh HISTORY

The

.Nm expand