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The opening vurly bracket ({) that matches the closing one (}) on line 22 is placed on line 11, so your code between these lines looks like this: { some; code; } (while my $word =~ /^.*$/)

I guess that you missed closing curly bracket (}) after line 13:

foreach my $word(@four) {print"\n $word: "; my $length=length($word); print"\n Length of the word= $length\n\n"; } # there
and the one on line 24 is not needed.

UPD: you can split words easier using split:

#!/usr/bin/perl -w use strict; use Data::Dumper; my $sentence="BEARCALFDEERFEARGEARHEAR"; print Dumper (split /(.{4})/,$sentence); __END__ $VAR1 = ''; $VAR2 = 'BEAR'; $VAR3 = ''; $VAR4 = 'CALF'; $VAR5 = ''; $VAR6 = 'DEER'; $VAR7 = ''; $VAR8 = 'FEAR'; $VAR9 = ''; $VAR10 = 'GEAR'; $VAR11 = ''; $VAR12 = 'HEAR';

Sorry if my advice was wrong.

In reply to Re: Syntax error in using do-until loop: How can I fix it? by aitap
in thread Syntax error in using do-until loop: How can I fix it? by supriyoch_2008

and:  <code> code here </code>

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