perl one liners + add empty line after the last line [closed]

Question

please advice

what need to change in the perl syntax in order to add new empty line after the last line?

example

    IP_INFO=12.23.2.1
    echo IP= |  perl  -pe "s/$/$IP_INFO/" 1>>file

.

more file

IP=12.23.2.1    <-- last line

Laurentiu Roescu · Accepted Answer · 2013-02-11 08:06:54Z

up vote 1 down vote accepted

try

echo IP= |  perl  -pe "s/$/$IP_INFO\n/" 1>>file

answered Feb 11 at 8:06

Laurentiu Roescu
1,12217

I copied it from question (like pkhamre I think) and I added \n. – Laurentiu Roescu Feb 11 at 8:17

pkhamre · Answer 2 · 2013-02-11 07:54:38Z

up vote 0 down vote

Why not just do it with another shell command?

IP_INFO=12.23.2.1
echo IP= |  perl  -pe "s/$/$IP_INFO/" 1>>file
echo >> file

answered Feb 11 at 7:54

pkhamre
2,223216

not good it must be as part of perl one liners command , I ask to change the perl command not add echo commnad – yael Feb 11 at 7:55

1

@yael okay, sorry for trying to help you find a solution. – pkhamre Feb 11 at 7:58

closed as off topic by Michael Hampton, SvW, dunxd, mulaz, MDMarra Feb 11 at 14:21