Search Results

try with AWK...
echo ",1
,2
,3
,4" | awk '{for(i=1;i<=NF;i++){print $i}}' FS="\n" RS="" ORS=""

with SED
echo "
,1
,2
,3" | sed -n '
$ !{
H
}
$ {
H
x;s/\n//g
p
}'