jimbob palmer writes:
> Hello,
>
> I would like to run a bash script but to log output and exit codes.
> Essentially I would like to run the script with bash -x, but for that
> output to the log to go to a file, and the normal output as from
> running a normal script to go to the terminal.
Dunno about bash but in zsh it's easy
#! /usr/bin/env zsh
PS4='+%i:%N:%?> '
exec 2>trace.log
set -x
# here goes the main script
foo=5
bar=$(date)
echo foo=$foo, $bar
false
echo
It should work in sh(1) except you'll not see exit values in prompt.
Seems like bash doesn't have tcsh-like features: `%?' and printexitvalue.
I guess you'll have to write your own wrapper to put `$?' into stderr
after each command.
> My second question is about history. Bash has a -h option to remember
> the location of commands as they are looked up. Is it possible for
> this to be recorded in the history? e.g. if I run ls, it would record
> /bin/ls to the bash history file.
If bash has smth like zshaddhistory() it'd be easy...
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