channel_exists

gwpy.io.gwf.channel_exists(

gwf: str | Path | IO,

channel: str | Channel,

backend: str | None = None,

) → bool

Determine whether a channel exists in a GWF file.

Requires a GWF backend library.

Parameters:

channelstr

Name of data channel to find.

gwfstr

GWF file to read.

backendstr, optional

The GWF backend to use. Default is ‘any’.

Returns:

inframebool

whether this channel is included in the table of contents for the given GWF file.