I am trying to insert a few lines of text before a specific line, but keep getting sed errors when I try to add a new line character. My command looks like:
This can be easily done with Perl also
$ cat MeanwhileInHell.txt
Iran|XXXXXX|Iranian
Iraq|YYYYYY|Iraquian
Saudi|ZZZZZ|Saudi is a Rich Country
USA|AAAAAA|USA is United States of America.
India|IIII|India got freedom from British.
Scot|SSSSS|Canada Mexio.
$ perl -pe 'BEGIN {$x="Line one to insert\nLine 2\nLine3\n"} $_=$x.$_ if /USA/ ' MeanwhileInHell.txt
Iran|XXXXXX|Iranian
Iraq|YYYYYY|Iraquian
Saudi|ZZZZZ|Saudi is a Rich Country
Line one to insert
Line 2
Line3
USA|AAAAAA|USA is United States of America.
India|IIII|India got freedom from British.
Scot|SSSSS|Canada Mexio.
$