.help fdelrow Mar97 ftools.futils
.ih
NAME
fdelrow -- Delete specified rows in a FITS table
.ih
USAGE
fdelrow infile[ext#] firstrow nrows confirm proceed
.ih
DESCRIPTION
This task deletes rows in a  FITS table.
Since the input FITS file is modified by this utility, the user is given
an opportunity to confirm before deleting the rows.
.ih
PARAMETERS
.ls infile [file name]
The file name and the number or name of the extension  containing the 
specified rows to be deleted.   The extension number or name  has 
to be specified explicitly.
.le
.ls firstrow [integer]
The start row of the block of rows to be deleted.
.le
.ls confirm = yes [boolean]
If set to YES, the following information (keyword values) about the 
extension containing the specified rows will be printed;
EXTENSION, EXTNAME 

At this point the user may  proceed or quit  without modifying the input
FITS file.

On the other hand if the 'CONFIRM' hidden parameter in the parameter file
is set to NO, then the specified rows  will be deleted without query.
.le
.ls proceed = yes [boolean]
If the 'CONFIRM' parameter is set to YES, then the program prints out the
keyword values  and query the user (PROCEED? ) whether (s)he would
like to continue. If the 'PROCEED' parameter is set to NO, then the program
exits without modifying the input file.
.ih
EXAMPLES
1.  Delete the rows 1-20 in the second extension of the file test.fits,
    without querying for confirmation.

	ft> fdelrow test.fits+2 1 20 Y Y

.fi
.ih
BUGS
  For the safety, the user has to specify the extension name or number
  explicitly in input file name. If the user does not give an extension
  number or name, the program will generate an error message and
  quit.


.ih
SEE ALSO
ftdelrow.  fv, the interactive FITS file editor, can also be used to delete
rows from a FITS table.
.endhelp
