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colcrt (1)
  • colcrt (1) ( FreeBSD man: Команды и прикладные программы пользовательского уровня )
  • >> colcrt (1) ( Linux man: Команды и прикладные программы пользовательского уровня )

  • BSD mandoc
    BSD 3  

    NAME

    colcrt
    
     - filter nroff output for CRT previewing
    
     
    

    SYNOPSIS

    colcrt [- ] [-2 ] [file ... ]  

    DESCRIPTION

    Colcrt provides virtual half-line and reverse line feed sequences for terminals without such capability, and on which overstriking is destructive. Half-line characters and underlining (changed to dashing `-') are placed on new lines in between the normal output lines.

    Available options:

    -
    Suppress all underlining. This option is especially useful for previewing allboxed tables from tbl(1).
    -2
    Causes all half-lines to be printed, effectively double spacing the output. Normally, a minimal space output format is used which will suppress empty lines. The program never suppresses two consecutive empty lines, however. The -2 option is useful for sending output to the line printer when the output contains superscripts and subscripts which would otherwise be invisible.

     

    EXAMPLES

    A typical use of colcrt would be
    tbl exum2.n | nroff -ms | colcrt - | more
    
     

    SEE ALSO

    nroff(1), troff(1), col(1), more(1), ul(1)  

    BUGS

    Should fold underlines onto blanks even with the `- ' option so that a true underline character would show.

    Can't back up more than 102 lines.

    General overstriking is lost; as a special case `|' overstruck with `-' or underline becomes `+'

    Lines are trimmed to 132 characters.

    Some provision should be made for processing superscripts and subscripts in documents which are already double-spaced.  

    HISTORY

    The colcrt command appeared in BSD 3.0


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    EXAMPLES
    SEE ALSO
    BUGS
    HISTORY


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