grep -c 'searchterm' myfile
$40.45
SSR-40DA Solid State Relay With Thermostat REX-C100 Thermocouple O2
$35.09
MYPIN® TA4-SNR Thermocouple SNR PID Dual Digital Display Temperature Controller
$24.95
1Pc 100cm Wire Temperature Test K-type Thermocouple Sensor Probe Tester Line
$1.32
Measurement Computing USB-TC USB-based 8-channel thermocouple input device
$175.0
