#!/bin/bash
#while IFS= read -r line; do echo "$line" | sed 's| //.*||' | go run main.go

# while IFS= read -r line; do echo "$line" | sed 's|//.*||'; done | go run main.go


sed -u 's|//.*||' | go run main.go
# ^ sed unbuffered.
# cat | tee -a log.f | sed -u 's|//.*||' | go run main.go | tee -a log.f