Re: Problem with positional output

 Now imagine that you were facing some trouble running some "sed" code; where would you turn to in such a scenario if not the manpages on your terminal? Or, that your OpenBSD 6.0 system for "sed" manpages is not updated and shows you features & options not in the version of sed you are actually running... won't that be a needless hindrance to the users?
 

 The documentation better track the code for not being a roadblock to the users. In fact an uptodate doc is an asset to the productivity.
 

 
---In [email protected], <amarendra_godbole@...> wrote :

 I am not sure which BSD are you referring, but my OpenBSD 6.0 system does
 document -E:
 
 SED(1) General Commands Manual
 SED(1)
 
 NAME
 sed - stream editor
 
 SYNOPSIS
 sed [-aEnru] [-i[extension]] command [file ...]
 sed [-aEnru] [-e command] [-f command_file] [-i[extension]] [file ...]
 
 DESCRIPTION
 The sed utility reads the specified files, or the standard input if no
 files are specified, modifying the input as specified by a list of
 commands. The input is then written to the standard output.
 
 A single command may be specified as the first argument to sed.
 Multiple
 commands may be specified separated by newlines or semicolons, or by
 using the -e or -f options. All commands are applied to the input in
 the
 order they are specified regardless of their origin.
 
 The options are as follows:
 
 -a The files listed as parameters for the w function or flag are
 created (or truncated) before any processing begins, by
 default.
 The -a option causes sed to delay opening each file until a
 command containing the related w function or flag is applied
 to a
 line of input.
 
 -E Interpret regular expressions using POSIX extended regular
 expression syntax. The default behaviour is to use POSIX
 basic
 regular expression syntax.
 Š
 
 Thanks.
 
 -ag
 
 
 
 On 11/16/16, 3:41 PM, "[email protected] mailto:[email protected] on behalf of Stephane
 Chazelas stephane.chazelas@... mailto:stephane.chazelas@... [sed-users]"
 <[email protected] mailto:[email protected]> wrote:
 
 >2016-11-16 15:14:09 -0800, sharma__r@... mailto:sharma__r@... [sed-users]:
 >> 
 >> 
 >> Surprisingly , gnu sed --help doesn't showup the "-E" option
 >> while it does take it sed -E "..." without any errors.
 >> 
 >> BTW, the "-r" option is supposed to be doing this.
 >> 
 >> 
 >> This definitely calls for an update of the GNU sed help options.
 >[...]
 >
 >GNU sed came first with -r. Then, BSD added -E for the same
 >thing (which makes a lot more sense and is consistent with grep
 >for instance).
 >
 >Then GNU grep added -E as a synonymous of -r for compatibility
 >with BSD but decided to leave it undocumented..
 >
 >Then POSIX talked of specifying sed -E (likely to be in the next
 >major version).
 >
 >Then GNU grep eventually documented -E (though there hasn't been
 >a new released since yet I beleive).
 >
 >-- 
 >Stephane
 >
 >
 >------------------------------------
 >Posted by: Stephane Chazelas <stephane.chazelas@... mailto:stephane.chazelas@...>
 >------------------------------------
 >
 >-- 
 >
 >------------------------------------
 >
 >Yahoo Groups Links
 >
 >
 > 



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