Re: one liner - open file and read

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Re^2: one liner - open file and read by NetWallah (Canon) on Oct 07, 2010 at 18:07 UTC
That works, but I don't understand the syntax, or why it works. Please enlighten. -- Thanks. Syntactic sugar causes cancer of the semicolon. --Alan Perlis	[reply]
Re^3: one liner - open file and read by FunkyMonk (Chancellor) on Oct 07, 2010 at 18:23 UTC
perlrun says of -n: causes Perl to assume the following loop around your program, which makes it iterate over filename arguments somewhat like sed -n or awk: `LINE: while (<>) { ... # your program goes here }` [download] So, perl replaces '`...`' with jwkrahn's '`}{print $.`'. Make sense now?	[reply] [d/l] [select]
Re^4: one liner - open file and read by NetWallah (Canon) on Oct 07, 2010 at 19:35 UTC
Doh! - yes - thanks. No more END{..} in my one-liners. Cheers! Syntactic sugar causes cancer of the semicolon. --Alan Perlis	[reply]
Re^3: one liner - open file and read by eyepopslikeamosquito (Archbishop) on Oct 07, 2010 at 20:09 UTC
The `}{` is known as the eskimo greeting, one of Perl's many secret operators.	[reply] [d/l]


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