Routines (by topic) > Query Routines

# Query Routines

ISA - Determine whether a variable is of a certain type, class, or structure name.

GET_LOGIN_INFO - Return the name of the computer as well as the user’s login name.

QUERY_ASCII - Obtain information about an ASCII file.

QUERY_BMP - Obtain information about a BMP image file.

QUERY_CSV - Obtain information about a comma-separated values (CSV) file.

QUERY_DICOM - Test file for compatibility with READ_DICOM.

QUERY_GIF - Obtain information about a GIF image file.

QUERY_IMAGE - Determine if a file is an image file.

QUERY_JPEG - Obtain information about a JPEG image file.

QUERY_JPEG2000 - Obtain information about a JPEG 2000 image file.

QUERY_MRSID - Obtain information about a MrSID image file.

QUERY_PICT - Obtain information about a PICT image file.

QUERY_PNG - Obtain information about a PNG image file.

QUERY_PPM - Obtain information about a PPM image file.

QUERY_SRF - Obtain information about an SRF image file.

QUERY_TIFF - Obtain information about a TIFF image file.

QUERY_VIDEO - Obtain information about a video file.

QUERY_WAV - Check that the file is actually a .WAV file.

ROUTINE_FILEPATH - Return the full path to a compiled procedure or function.

TYPENAME - Retrieve a variable’s IDL type name, class name, or structure name.