Almost there, just insert two extra quotes. 
for file in `ls -1 *.txt`
do perl -e 'open FILE, "<'$file'"; $_ = join "", <FILE>; print "true" 
+if /^t[^\n]*\Z/msi'
done

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In reply to Re^5: Finding a Letter at Last line by Anonymous Monk
in thread Finding a Letter at Last line by mantra2006

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