nttools: NOIRLab port of TTOOLS package

• keypar: Copy an image or table header keyword to an IRAF parameter.
• keytab: Copy an image or table header keyword to a table element.
• parkey: Put an IRAF parameter into an image or table header keyword.
• partab: Transfer an IRAF parameter to a table element.
• tabkey: Copy a table element to an image or table header keyword.
• tabpar: Transfer a table element to an IRAF parameter.
• gtedit: Graphically edit a table.
• gtpar: Pset to specify graph parameters for ‘gtedit’ task.
• imtab: Copy an image to a table column.
• tabim: Copy a table column to an image.
• taextract: Copy an array entry to a column of scalars in another table.
• tainsert: Copy a column of scalars to an array entry in another table.
• tcalc: Perform arithmetic operations on table columns.
• tchcol: Change column name, print format, or units.
• tcheck: Check STSDAS table element values.
• tchsize: Change allocated sizes of various sections of a table.
• tcopy: Copy tables.
• tcreate: Create a STSDAS table from an ASCII descriptor table.
• tdelete: Delete tables.
• tdiffer: Form a table which is the difference of two tables.
• tdump: Dump the contents of a table to an ASCII file.
• tedit: Edit a table.
• texpand: Expand tables according to a set of rules.
• thedit: Edit or print table header keywords.
• thistogram: Make a histogram of a column in a table.
• thselect: Select tables satisfying an expression; print keywords.
• tinfo: Display table size information.
• tintegrate: Numerically integrate one column with respect to another.
• tjoin: Perform a relational join of two tables.
• tlcol: List column information for a table.
• tlinear: Use linear regression to fit one or two table columns.
• tmatch: Find closest match between rows in two tables
• tmerge: Either merge or append tables.
• tprint: Print tables–both headers and data.
• tproduct: Form the Cartesian product of two tables.
• tproject: Create new table from selected columns in a table.
• tquery: Create a new table from selected rows and columns in a table.
• tread: Browse through a table.
• trebin: Resample a table to uniform spacing.
• tselect: Create a new table from selected rows of a table.
• tsort: Sort a table.
• tstat: Get mean, standard deviation, min, and max for a column.
• ttranspose: Transpose or flip a table.
• tunits: Convert table column from one set of units to another
• tupar: Edit table header keywords.
• tiimage: Insert images into rows of a 3-D table.
• titable: Insert 2-D tables into rows of a 3-D table.
• tximage: Extract images from rows of 3-D tables.
• txtable: Extract 2-D tables from rows of 3-D tables.
• tscopy: Copy row/column subsets of tables using selectors.