regex - Perl: add character to begin of a line

Question

I want to add a " character to the begin of every line in a text file. Is there any simple solution?

Answer 1

perl -p -e 's/^/"/' myfile should do it!

$ cat myfile 
0
1
2
3
4
5
6
7
8
9
10
$ perl -p -e 's/^/"/' myfile
"0
"1
"2
"3
"4
"5
"6
"7
"8
"9
"10