From: Eugene Syromyatnikov <evgsyr@gmail.com>
Date: Wed, 28 Feb 2018 17:17:26 +0000 (+0100)
Subject: strace.1.in: add a note about tracing of scripts without shebang
X-Git-Tag: v4.22~110
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=07a6399dd6ee7ca68d44d15cf020ea1fe8a15497;p=strace

strace.1.in: add a note about tracing of scripts without shebang

* strace.1.in (.SH NOTES): Note that tracing of scripts without shebang
won't work.

Reported-by: Mike Parker
Closes: https://github.com/strace/strace/issues/46
---

diff --git a/strace.1.in b/strace.1.in
index 3595a69b..b5eb772a 100644
--- a/strace.1.in
+++ b/strace.1.in
@@ -994,6 +994,18 @@ to the traced process, but a few system calls aren't.
 Arguably, every instance of such behavior is a kernel bug.)
 This may have an unpredictable effect on the process
 if the process takes no action to restart the system call.
+.LP
+As
+.B strace
+executes the specified
+.I command
+directly and does not employ a shell for that, scripts without shebang
+that usually run just fine when invoked by shell fail to execute with
+.B ENOEXEC
+error.
+It is advisable to manually supply a shell as a
+.I command
+with the script as its argument.
 .SH BUGS
 Programs that use the
 .I setuid