grep -c 'searchterm' myfile
$1.51
SPECTROL MODEL 534 10K OHM 10-TURN 2W WIRE WOUND POTENTIOMETER NOS
$8.95
ACP CA9MH 50K Potentiometer: mounting; single turn,vertical; 50kΩ; 0.15W; ±20%
$29.77
10 Pcs 6mm Shaft Hole Dia Plastic Threaded Knurled Potentiometer Knobs Caps Ll
$0.81
5pcs/set Potentiometer Trimmer Variable Resistor 3362P-103 10K Ohm T wj
$0.89
