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Re: Trailing newlines disappear
From: |
Greg Wooledge |
Subject: |
Re: Trailing newlines disappear |
Date: |
Fri, 9 Jun 2017 14:04:18 -0400 |
User-agent: |
Mutt/1.4.2.3i |
On Fri, Jun 09, 2017 at 08:58:05PM +0300, Pierre Gaston wrote:
> Even if they don't realize it, few people would expect:
>
> var=$(wc -l file);echo "$var"
>
> to print 2 lines.
imadev:~$ file=$'a\nb\nc\nd\ne'; touch "$file"
imadev:~$ var=$(wc -l "$file"); echo "$var"
0 a
b
c
d
e
> Trailing newlines are often not that interesting.
But embedded newlines certainly are!
(Really, though, I know what you meant. Command substitution strips
trailing newlines because that's how it has always worked, and because
95% of the time, that's what you want.)
- Re: Trailing newlines disappear, (continued)
- Re: Trailing newlines disappear, Greg Wooledge, 2017/06/08
- Re: Trailing newlines disappear, Eduardo Bustamante, 2017/06/08
- Re: Trailing newlines disappear, Peter & Kelly Passchier, 2017/06/08
- Re: Trailing newlines disappear, Greg Wooledge, 2017/06/09
- Re: Trailing newlines disappear, Chet Ramey, 2017/06/09
- Re: Trailing newlines disappear, Greg Wooledge, 2017/06/09
- Re: Trailing newlines disappear, Chet Ramey, 2017/06/09
- Re: Trailing newlines disappear, L A Walsh, 2017/06/09
- Re: Trailing newlines disappear, Peter & Kelly Passchier, 2017/06/09
- Re: Trailing newlines disappear, Pierre Gaston, 2017/06/09
- Re: Trailing newlines disappear,
Greg Wooledge <=
- Storing NUL in variables, George, 2017/06/09
- Re: Storing NUL in variables, Pierre Gaston, 2017/06/10
- Re: Storing NUL in variables, George, 2017/06/11
- Re: Trailing newlines disappear, Chet Ramey, 2017/06/12
- Re: Trailing newlines disappear, Peter & Kelly Passchier, 2017/06/12
- Re: Trailing newlines disappear, Chet Ramey, 2017/06/13
- Re: Trailing newlines disappear, Peter & Kelly Passchier, 2017/06/13
- Re: Trailing newlines disappear, PePa, 2017/06/09