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Nov 17th, 2017
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  1. function nonzero_return() {
  2. RETVAL=$?
  3. [ $RETVAL -ne 0 ] && echo "$RETVAL"
  4. }
  5.  
  6. export PS1="\[\e[33m\]\A\[\e[m\] \[\e[32m\]\w\[\e[m\] \`nonzero_return\`\[\e[35m\]\\$\[\e[m\] "
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