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Annotation of 43BSDReno/usr.bin/expand/expand.1, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1980, 1990 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" Redistribution and use in source and binary forms are permitted provided
        !             5: .\" that: (1) source distributions retain this entire copyright notice and
        !             6: .\" comment, and (2) distributions including binaries display the following
        !             7: .\" acknowledgement:  ``This product includes software developed by the
        !             8: .\" University of California, Berkeley and its contributors'' in the
        !             9: .\" documentation or other materials provided with the distribution and in
        !            10: .\" all advertising materials mentioning features or use of this software.
        !            11: .\" Neither the name of the University nor the names of its contributors may
        !            12: .\" be used to endorse or promote products derived from this software without
        !            13: .\" specific prior written permission.
        !            14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            17: .\"
        !            18: .\"     @(#)expand.1   6.5 (Berkeley) 7/24/90
        !            19: .\"
        !            20: .Dd July 24, 1990
        !            21: .Dt EXPAND 1
        !            22: .Os BSD 4
        !            23: .Sh NAME
        !            24: .Nm expand ,
        !            25: .Nm unexpand
        !            26: .Nd expand tabs to spaces, and vice versa
        !            27: .Sh SYNOPSIS
        !            28: .Nm expand
        !            29: .Oo
        !            30: .Op Fl Ar tabstop
        !            31: .Op Fl Ar tab1,tab2,...,tabn
        !            32: .Oo
        !            33: .Ar
        !            34: .Nm unexpand
        !            35: .Op Fl a
        !            36: .Ar
        !            37: .Sh DESCRIPTION
        !            38: .Nm Expand
        !            39: processes the named files or the standard input writing
        !            40: the standard output with tabs changed into blanks.
        !            41: Backspace characters are preserved into the output and decrement
        !            42: the column count for tab calculations.
        !            43: .Nm Expand
        !            44: is useful for pre-processing character files
        !            45: (before sorting, looking at specific columns, etc.) that
        !            46: contain tabs.
        !            47: .Pp
        !            48: If a single
        !            49: .Ar tabstop
        !            50: argument is given, then tabs are set
        !            51: .Ar tabstop
        !            52: spaces apart instead of the default 8.
        !            53: If multiple tabstops are given then the tabs are set at those
        !            54: specific columns.
        !            55: .Pp
        !            56: .Nm Unexpand
        !            57: puts tabs back into the data from the standard input or the named
        !            58: files and writes the result on the standard output.
        !            59: .Pp
        !            60: Option (with
        !            61: .Nm unexpand
        !            62: only):
        !            63: .Tw Ds
        !            64: .Tp Fl a
        !            65: By default, only leading blanks and tabs
        !            66: are reconverted to maximal strings of tabs.  If the
        !            67: .Fl a
        !            68: option is given, then tabs are inserted whenever they would compress the
        !            69: resultant file by replacing two or more characters.
        !            70: .Tp
        !            71: .Sh HISTORY
        !            72: .Nm Expand
        !            73: appeared in 3 BSD.

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