FTOOLS: The FUTILS Sub-package

The FUTILS sub-package of FTOOLS contains general purpose tasks for the manipulation of FITS data.

The following FUTILS tasks were released in the latest distribution of the HEASARC's FTOOLS package. Each task described below is hyperlinked to the help file distributed with the task. The same information can be obtained while running FTOOLS by typing the command help {taskname}.

FUTILS Tasks

cphead

Copy a header from one FITS file to another FITS file

faddcol

Copies columns from one FITS table extension to another

fappend

Append a FITS extension onto another FITS file

fapropos

Does keyword searches for FTOOLS

fcalc

Calculates values for a column using an arithmetic expression

fcatdiff

Compares columns of a fits file and reports row differences

fchecksum

Verify or update the checksum keywords in a FITS file

fcollen

Modify the vector length of a column in a binary table

fcolpar

Returns column number for an input filename and column name

fcopy

Copy the contents of a FITS file to a new file

fcreate

Create a FITS table from ASCII input files

fcurve

Make a light curve histogram from a column in a table

fdelcol

Delete a specified column in a FITS table

fdelete

Delete a FITS file

fdelhdu

Delete an extension from a FITS file

fdelrow

Delete specified rows in a FITS table

fdiff

Display the differences between pairs of FITS file

fdump

Dump contents of a FITS table to an ASCII file

fextract

Copy a FITS extension from a file into a new file

ffilecat

Copies keyword values from a list of FITS file to FITS Table

fhelp

[P (optional)] Display FTOOLS help information

fhisto

Make a histogram of a column in a table

fimgcreate

Create a FITS primary array image from an ASCII template file

findex

Create an index file for a FITS table column

finterp

Interpolate a column from one FITS table extension into another

fkeypar

Copy a FITS header keyword to a parameter

fkeyprint

Display keyword(s) in FITS header(s)

fkeytab

Copy a FITS header keyword to a FITS table element

flaunch

Graphical FTOOLS launcher

flcol

List column information in a FITS table extension

flist

List contents of a FITS table to an ASCII file

flookup

Filter a FITS file from selection based on a lookup table

fmemsort

Fast memory sort of a FITS table

fmerge

Merge rows from several FITS tables into one FITS table

fmodcomm

Modify commentary keywords in a FITS file header

fmodhead

Modify the header keywords in a FITS file

fmodtab

Modify the values in multiple rows of a table column

fparhelp

Provides help for a specified parameter for a given ftool

fparkey

Copy a parameter value to a FITS header keyword

fparstamp

Copy contents of a .par file into a FITS file header

fpartab

Copy a parameter value to a FITS table element

fplot

Plots columns from a FITS file using QDP/PLT Plot Package

fselect

Create a new table from selected rows of a table

fsort

Sort a FITS table in place

fstatistic

Calculate mean, standard deviation, min, and max for a column

fstruct

List a description of the structure of a FITS file

fsumrows

Sum or average values from list of table columns over spec. rows

ftabcopy

Copy specified columns of a FITS table to a new table

ftabkey

Copy a FITS table element to a FITS header keyword

ftabpar

Copy a FITS table element to a parameter value

fv

An interactive GUI FITS file browser and display tool

fverify

Verify that a FITS file conforms to the FITS Standard (newly re-written in C)

fversion

Report FTOOLS version number and release date

pconfig

Configure parameter files to user defaults

ofverify

Verify that a FITS file conforms to the FITS Standard (original Fortran version)