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dirfile2ascii(1)		    GETDATA		      dirfile2ascii(1)

NAME
       dirfile2ascii — output dirfile database vectors as ASCII text

SYNOPSIS
       dirfile2ascii [ OPTION ]... DIRFILE [ [ -a | -A | -e | -E | -F | -g |
	      -G | -o | -i | -u | -x | -X ] FIELD ]...

DESCRIPTION
       Fetches data from a dirfile(5) database specified by DIRFILE and writes
       it  as  ASCII  to  standard output.  Any number of vector FIELDs may be
       specified.  Each specified field is printed in a separate column.

       Mandatory arguments to long options are	mandatory  for	short  options
       too.

       -d, --delimeter=delim
	      separate columns by delim.  (Default: a single space.)

       -f, --first-frame=first_frame-last_frame
	      read from frame first_frame to frame last_frame (inclusive).

       -f, --first-frame=first_frame:nframes
	      equivalent to --first-frame=first_frame --num-frames=nframes.

       -f, --first-frame=first_frame
	      If  first_frame  >=  0,  start reading at frame first_frame.  If
	      first_frame is -1 and --num-frames=nframes  is  specified,  read
	      the  last	 nframes  frames.   If --first-frame is not specified,
	      reading starts at frame zero.

       -n, --num-frames=nframes
	      read  at	most  nframes  frames.	 If  not  specified,   or   if
	      nframes = 0, all frames to the end-of-field are read.

       -p, --precision=format
	      use format to format output.  format may contain any of the flag
	      characters, a field width, and/or a precision  as	 specified  in
	      printf(3).  It may not contain a length modifier.

       -q, --quiet
	      don't write diagnostic messages on standard error.  (This is the
	      default behaviour).

       -s, --skip=frame_skip
	      if frame_skip > 0, output only one sample for  every  frame_skip
	      frames.

       -v, --verbose
	      write diagnostic messages on standard error.

       -z, --fill=STRING
	      Fill  columns which go past the end of their corresponding field
	      with the string STRING.  The default behaviour is to  fill  col‐
	      umns  with  floating-point conversions with NaN and columns with
	      integer conversion with 0, which mirrors what occurs when an at‐
	      tempt  is	 made  to print data from before the start of a field.
	      (Note: the default behaviour cannot be reproduced with this  op‐
	      tion, since STRING is applied to all columns, regardless of con‐
	      version type.)

       In addition to the above, each FIELD argument  may  be  preceded	 by  a
       short  option,  one of: -a, -A, -e, -E, -F, -g, -G, -i, -o, -u, -x, -X,
       indicating the conversion to be used.  See printf(3) for the meaning of
       these  conversion  specifiers.	The output flags, width, and precision
       may be specified by using --precision.  If no conversion	 specifier  is
       given, %f is used.

       For  conversion specifiers %a, %A, %e, %E, %f, %F, %g, %G, data is read
       from the dirfile as double precision floats.  For conversion  specifier
       %i,  data is read as 64-bit signed integers.  For conversion specifiers
       %o, %u, %x, %X, data is read as 64-bit unsigned integers.

LIMITATIONS
       No native support for printing complex data is provided.	 This  may  be
       worked  around  by using dirfile(5) representation suffixes.  For exam‐
       ple, the command

	      dirfile2ascii DIRFILE FIELD.r FIELD.i

       will print the real and imaginary parts of  the	complex	 valued	 field
       FIELD in the first and second columns, respectively.

AUTHOR
       dirfile2ascii was written by Matthew Truch and D. V. Wiebe.

REPORTING BUGS
       Please send reports of bugs to getdata-devel@lists.sourceforge.net

       The GetData home page: <http://getdata.sourceforge.net/>

COPYRIGHT
       Copyright © 2010 Matthew Truch.

       dirfile2ascii is licenced under the GNU LPGL version 2.1 or later.

       This  is	 free  software:  you  are free to change and redistribute it.
       There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       defile(1), dirfile(5), printf(3)

Version 0.8.0		       21 February 2012		      dirfile2ascii(1)
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