Synopsis

Display the names of the keywords in a crate.

print_key_names(crate)

Description

• crate - input crate

The print_key_names command prints the names of the keywords in the given crate. To retrieve the keywords as an array, use the get_key_names command ("ahelp get_key_names") .

Example

>>> cr = read_file("arf.fits")
>>> print_key_names(cr)
Index Keyname
0) ORIGIN
1) CREATOR
2) REVISION
3) ASCDSVER
4) CHECKSUM
5) DATASUM
6) DATE
...

The keywords read from the file "arf.fits" are printed.

Bugs

See the bug pages on the CIAO website for an up-to-date listing of known bugs.

See Also

py.crates

add_key, delete_key, get_key, get_key_names, get_keyval, key_exists, print_axis_names, print_col_names, set_keyval