perl one liners + add empty line after the last line

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

score 1 · Accepted Answer · answered Feb 11 '13 at 08:06

1

try

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

answered Feb 11 '13 at 08:06

Laurentiu Roescu

I copied it from question (like pkhamre I think) and I added \n. – Laurentiu Roescu Feb 11 '13 at 08:17

score 0 · Answer 2 · answered Feb 11 '13 at 07:54

0

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 '13 at 07:54

pkhamre

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 '13 at 07:55
1

@yael okay, sorry for trying to help you find a solution. – pkhamre Feb 11 '13 at 07:58

2 Answers2