/^$/ matches a blank line, /^\$/ will do the job for you.
$ is a metacharacter, you will have to escape it. It matches at the end of a
line or before newline at the end.
hth.
Sudarsan
Tanya Bar wrote:
>
> Path could be physical or start with environment variable; so in my script
> I'm trying to check if the first character of $path is "$";
> I tried it this way :
> if ( "$path" =~ /^$/ ) {
> printf("path is env var\n");
> }
> else {
> printf ("working on phys.dir\n");
> }
> And it's not working.
> What's wrong ?
> Thanks in advance.
>
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