# This script should be sourced inside of .bashrc to integrate bash with hishtory # Implementation of PreCommand and PostCommand based on https://jichu4n.com/posts/debug-trap-and-prompt_command-in-bash/ function PreCommand() { if [ -z "$HISHTORY_AT_PROMPT" ]; then return fi unset HISHTORY_AT_PROMPT # Run before every command HISHTORY_START_TIME=`date +%s%N` } trap "PreCommand" DEBUG HISHTORY_FIRST_PROMPT=1 function PostCommand() { HISHTORY_AT_PROMPT=1 if [ -n "$HISHTORY_FIRST_PROMPT" ]; then unset HISHTORY_FIRST_PROMPT return fi # Run after every prompt (hishtory saveHistoryEntry $? "`history 1`" $HISHTORY_START_TIME &) } PROMPT_COMMAND="PostCommand"