.perltidyrc described in "Perl Best Practice"

.perltidyrc

# Max line width is 78 cols
-l=78

# Indent level is 4 cols
-i=4

# Continuation indent is 4 cols
-ci=4

# Output to STDOUT
-st

# Errors to STDERR
-se

# Maximal vertical tightness
-vt=2

# No extra indentation for closing brackets
-cti=0

# Medium parenthesis tightness
-pt=1

# Medium brace tightness
-bt=1

# Medium square bracket tightness
-sbt=1

# Medium block brace tightness
-bbt=1

# No space before semicolons
-nsfs

# Don't outdent long quoted strings
-nolq

# Break before all operators
-wbb="% + - * / x != == >= <= =~ !~ < > | & **= += *= &= <<= &&= -= /= |= >>= ||= .= %= ^= x="