Re: Find most frequently used word in text file.

In addition to the bug pointed out by toolic, I believe that there is a further bug in as much as it [your code] will merely result in a frequency report for the first line, not the whole file as you expect - the line my @lines = <FILE>; won't slurp in the whole file, it'll merely result in only the first line i.e. all text up to the first end of line char, being read in, you need to undef the line delimiter as in Laurent_R's code i.e. undef $/;.

HTH ,

A user level that continues to overstate my experience :-))

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Re^2: Find most frequently used word in text file. by hdb (Monsignor) on Dec 20, 2013 at 09:29 UTC
This is not correct. From perlop under I/O operators: If a <FILEHANDLE> is used in a context that is looking for a list, a list comprising all input lines is returned, one line per list element.	[reply]
Re^3: Find most frequently used word in text file. by Bloodnok (Vicar) on Dec 20, 2013 at 09:42 UTC
Aha, TFT hdb - good spot - it's early in the morning (for me) and my contexts are somewhat confused :-( My comment would be applicable if the OP was trying to slurp a file into a scalar, which they aren't. I'm not at all sure i.e. can't remember, if I've yet attempted to slurp a file into a list. A user level that continues to overstate my experience :-))	[reply]
Re^4: Find most frequently used word in text file. by Laurent_R (Canon) on Dec 20, 2013 at 18:16 UTC
Yes, I used `undef $/;` because I wanted to slurp the file into a scalar variable (making the subsequent processing slightly simpler). But it would not be necessary to `undef $/` in a list context.	[reply] [d/l] [select]