Date: Fri, 14 Apr 2017 14:32:08 -0400 From: Ernie Luzar <luzar722@gmail.com> To: Chuck Swiger <cswiger@mac.com> Cc: FreeBSD current <freebsd-current@freebsd.org> Subject: Re: csh script help Message-ID: <58F115A8.8010407@gmail.com> In-Reply-To: <9A420780-8DEB-4FBA-9CDE-A9E152110E38@mac.com> References: <58F0D301.7000509@gmail.com> <9A420780-8DEB-4FBA-9CDE-A9E152110E38@mac.com>
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Chuck Swiger wrote: > On Apr 14, 2017, at 6:47 AM, Ernie Luzar <luzar722@gmail.com> wrote: >> To aid in debugging the script I'm writing, I place "echo" commands throughout so I can kind of have a trace of the logic as different conditions are processed. Normally I just delete these "echo" commands after I get the script working. > > Since you've gotten an answer to the question you asked, let me only note that both sh and csh support the -x flag, which causes the shell to echo the commands as it runs. This is extremely helpful for debugging. > > Regards, Where is the this -x flag coded at? Do the executed lines roll fast off the screen or can I slowly step through the script a line at a time? Thanks for this bit of information.
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