good chemistry is complicated, and a little bit messy -LW |
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Re^5: Cleaner way of looping through a file and stripping only certain lines?by ikegami (Patriarch) |
on Dec 08, 2006 at 19:10 UTC ( [id://588674]=note: print w/replies, xml ) | Need Help?? |
Similarly, not using "" around the variables is not specific to open. "$var" creates a new variable which is the string representation of the specified variable. It's almost never needed, and it's often undesireable. In this case, your variable is already a string, and if it wasn't. If it wasn't, it would get converted to a string automatically. I can think of two uses for "$var":
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