Re: bash "while do echo" can't function correctly

[John McKown]

On Wed, Apr 13, 2016 at 1:10 AM, Geir Hauge <geir.hauge@gmail.com> wrote:

​...

 

though printf should be preferred over echo:

    while read -r line; do printf '%s\n' "$line"; done < test.txt

​I've never read about using printf in preference to echo. Why is that? ​I have used it myself in special cases, such as wanting leading zeros (i=0;printf '%03d\n' "${i}";)

 

--
Geir Hauge

--

How many surrealists does it take to screw in a lightbulb? One to hold the griffon and one to fill the bathtub with brightly colored LEDs.

Maranatha! <><
John McKown