How can I indent a file such as its first line?
Example:
A file containing
x=1+2+3+4+
5+6+7+8
+9+10+12
should be converted to
x=1+2+3+4+
5+6+7+8
+9+10+12
I need this inside a shell-script on a Linux system. One-liners are preferred.
x=
?Perl
. @Birei below posted a good answer. albeit i am increasingly likingawk
as well