9front - general discussion about 9front
 help / color / mirror / Atom feed
From: Anders Damsgaard <anders@adamsgaard.dk>
To: 9front@9front.org
Subject: [9front] [PATCH] awk(1): quote argument for -v option
Date: Tue, 29 Nov 2022 13:10:26 +0100	[thread overview]
Message-ID: <Y4X2srVryGMhBXDR@x1.home> (raw)

Dear all,

Running awk from rc, I found that I need to quote the arguments to awk's
-v option, as in:

	awk -v 'myvar=asdf' 'BEGIN{print myvar}'

However, the awk man page specifies this without quotes as "awk -v
myvar=asdf".  I now realize that it will not work without quotes because
rc tries to interpret the assignment operator.

Is this just a beginner mistake, being used to unix behavior, or worth
documenting as in the patch below?

Thanks, Anders


diff ff2ebe6cfdacd890a74a6d2f9b0acd062d2633b7 uncommitted
--- a/sys/man/1/awk
+++ b/sys/man/1/awk
@@ -23,7 +23,7 @@
  ]
  [
  .B -v
-.I var=value
+.I 'var=value'
  ]
  [
  .B -f
@@ -58,13 +58,13 @@
  Any
  .IR file
  of the form
-.I var=value
+.I 'var=value'
  is treated as an assignment, not a file name,
  and is executed at the time it would have been opened if it were a file name.
  The option
  .B -v
  followed by
-.I var=value
+.I 'var=value'
  is an assignment to be done before the program
  is executed;
  any number of

             reply	other threads:[~2022-11-29 12:12 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-29 12:10 Anders Damsgaard [this message]
2022-11-29 13:47 ` qwx
2022-11-29 14:52 ` Stanley Lieber
2022-11-29 15:14 ` Kurt H Maier
2022-11-29 15:22   ` Stanley Lieber
2022-11-29 16:24   ` Sigrid Solveig Haflínudóttir
2022-11-29 16:28     ` Jacob Moody
2022-11-29 16:43       ` Kurt H Maier
2022-11-29 19:06         ` Stanley Lieber
2022-11-29 19:52           ` Stanley Lieber

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=Y4X2srVryGMhBXDR@x1.home \
    --to=anders@adamsgaard.dk \
    --cc=9front@9front.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).