what need to change in the perl syntax in order to add new empty line after the last line?
IP_INFO=22.214.171.124 echo IP= | perl -pe "s/$/$IP_INFO/" 1>>file
more file IP=126.96.36.199 <-- last line
closed as off topic by Michael Hampton♦, Sven, dunxd, mulaz, MDMarra Feb 11 '13 at 14:21
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Why not just do it with another shell command?