C:\test>perl -wle"
print 'the quick brown fox' for 1..3;
print chr( 26 );
print 'secret message'
" > junk.txt
####
C:\test>type junk.txt
the quick brown fox
the quick brown fox
the quick brown fox
####
C:\test>perl -pe1 junk.txt
the quick brown fox
the quick brown fox
the quick brown fox
→
secret message