OS Manuals

/usr/bin/ttfascent

SIL's TrueType font support scripts for Perl (Font::TTF::Scripts)

From perl-font-ttf-scripts 1.06-r0 (os), captured 2026-11-05 by running ttfascent --help (exit 1). permalink

/usr/bin/ttfascent version 0.1 calling Getopt::Std::getopts (version 1.15 [paranoid]),
running under Perl version 5.44.0.

Usage: ttfascent [-OPTIONS [-MORE_OPTIONS]] [--] [PROGRAM_ARG1 ...]

The following single-character options are accepted:
	With arguments: -a -d -l
	Boolean (without arguments): -h

Options may be merged together.  -- stops processing of options.
Space is not required between options and their arguments.

For more details run
    perldoc -F /usr/bin/ttfascent
  [Now continuing due to backward compatibility and excessive paranoia.
   See 'perldoc Getopt::Std' about $Getopt::Std::STANDARD_HELP_VERSION.]
Usage:
    ttfascent [-a num] [-d num] [-l num] infile [outfile]

    Opens infile (a .ttf file) changes the ascent and descent values in the
    Hhea and OS/2 table and then writes the resulting file to outfile if
    specified.

Options:
      -a num    Sets the ascent value to this number of em units
      -d num    Sets the descent value to this number of em units. This value is
                usually positive.
      -l num    Sets the typographical line gap in the OS/2 table.
Options (3)
OptionDescriptionSource
-a numSets the ascent value to this number of em unitshelp
-d numSets the descent value to this number of em units.help
-l numSets the typographical line gap in the OS/2 table.help

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.