stdout_stderr

determine if output is stdout or stderr

solution

• redireciton

  • standard input: 0
  • standard output: 1
  • standard error: 2

• print STDERR in red

  bash func 2> >(while read line; do echo -e "\e[01;31m$line\e[0m" >&2;done)

实验楼

references

• determine if output is stdout or stderr
• bash:print stderr in red color