Need to strip linefeeds when reading specfile from input file (-i option)

[rtmie]

If spec is written in a file with newlines (for readability), relations are not rendered properly, e.g. the input file below:

This diff fixes it for me:

diff --git a/bin/suml b/bin/suml
index 0a408c3..6fc62d6 100755
--- a/bin/suml
+++ b/bin/suml
@@ -51,10 +51,11 @@ if options.output_file:
fout = open(options.output_file, 'wb')

if options.input_file:

• spec = open(options.input_file, 'r').read()
• filespec = open(options.input_file, 'r').read()
• spec = filespec.replace(';\n',';').replace('|\n','|').replace('\n',',')
  elif len(args) == 0:
  lines = sys.stdin.read()
• spec = lines.replace('\n', ',')
• spec = lines.replace(';\n',';').replace('|\n','|').replace('\n', ',')
  else:
  spec = args[0]

[SomeClass|
attribute1;
memberclass1;
]

[OtherClass|
attribute2;
]

[SomeClass]++-[OtherClass]