Well, never mind. I added the two lines by hand:
~$ rtl_fm -f 89000000 -R -s 1000000 -g 0 - | baudline -stdin -samplerate 1000000 -quadrature -flipcomplex -channels 2 -format le16 Found 1 device(s): 0: Realtek, RTL2838UHIDIR, SN: 00000013
Using device 0: ezcap USB 2.0 DVB-T/DAB/FM dongle Found Rafael Micro R820T tuner Oversampling input by: 2x. Oversampling output by: 1x. Buffer size: 4.10ms Tuned to 89500000 Hz. Sampling at 2000000 Hz. Output at 1000000 Hz. Exact sample rate is: 2000000.052982 Hz rtlsdr_set_tuner_gain_mode(1) -> 0 rtlsdr_set_tuner_gain(0) -> 0 Tuner gain set to 0.00 dB.
~$ rtl_fm -f 89000000 -R -s 1000000 -g 30 - | baudline -stdin -samplerate 1000000 -quadrature -flipcomplex -channels 2 -format le16 Found 1 device(s): 0: Realtek, RTL2838UHIDIR, SN: 00000013
Using device 0: ezcap USB 2.0 DVB-T/DAB/FM dongle Found Rafael Micro R820T tuner Oversampling input by: 2x. Oversampling output by: 1x. Buffer size: 4.10ms Tuned to 89500000 Hz. Sampling at 2000000 Hz. Output at 1000000 Hz. Exact sample rate is: 2000000.052982 Hz rtlsdr_set_tuner_gain_mode(1) -> 0 rtlsdr_set_tuner_gain(297) -> 0 Tuner gain set to 29.70 dB.
Hope this helps...