Bash buildin: trap

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• Man: https://man7.org/linux/man-pages/man1/trap.1p.html

trap - INT
(no output)

trap SIGINT EXIT SIGHUP SIGQUIT SIGTERM

err_report() {
  echo "ERROR: existed with error on line $1"
}

trap 'err_report $LINENO' ERR

Related terms

• set -e
• set -E
• SIGINT, SIGTERM
• return
• try
• local

See also

• trap, wait, kill
• set, unset, set -o, set -x, set -e, set +e, set -E, set +b, set -u, $?, exit, return, trap, PostgreSQL SET, set --erase (fish shell), set -gx
• Bash [ -c ], alias, &&, Bash history, Autocompletion, set, unset, export, .bash_aliases, .bashrc and .bash profile, PS1, echo, brace expansion, Function, shopt, trap, set -e, source, PATH, complete, disown, .hushlogin, .bashrc, builtin, eval, set, $PATH, $HOME, TZ, .profile, -e, -i, Builtin (Bash), mapfile, ~, return (Bash), for, until, declare, dirname, basename, functions.sh, Bash arithmetic expansion, shift, bash --rcfile, readonly, $1, $@, Bash versions, Backslash \