On Mon, 2023-05-22 at 07:09 +1000, Michael D. Setzer II via users
wrote:
> Located the earlier script. It still gave the error so tried
> strace and got
> strace ./mktext2x.sh
> execve("./mktext2x.sh", ["./mktext2x.sh"],
> 0x7ffc37e55570 /* 35 vars */) = -1 ENOEXEC (Exec
> format error)
> strace: exec: Exec format error
> +++ exited with 1 +++
> But running the corrected one ran fine as is and with
> strace.
>
> But then tried to run it again, and mktext2x.sh runs
> without error?
>
> Running the one with bash line, strace works fine.
> strace ./mktext2.sh
> execve("./mktext2.sh", ["./mktext2.sh"], 0x7ffc9afbcb80
> /* 63 vars */) = 0
> brk(NULL) = 0x55a016794000
>
AFAIK what you're tracing here is the Shell itself, not the script
(except indirectly), which is unlikely to be useful in most cases.
You can do some tracing of Shell scripts. See for example
https://www.tecmint.com/trace-shell-script-execution-in-linux/
poc
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