bash - return if first command in pipe failed

Question

Is it somehow possible to return if the first command in a pipeline failed? With the pipefail option the return value is carried over but the pipeline still runs till the last command. So in this example read is executed at least once.

set -o pipefail
shopt -s lastpipe

function_() {
  #I am doing read at least once even if somecmd failed
  somecmd |
  while IFS=':' read -r line || return; do
    :
  done
}

without saving it to a variable like so?

function_() {
  #do something only if somecmd returned with 0
  someout=$(somecmd) || return

  while IFS=':' read -r line || return; do
    :
  done <<< "$someout"
}

question from:https://stackoverflow.com/questions/65838729/return-if-first-command-in-pipe-failed

Answer 1

Waitting for answers