42 lines
1.1 KiB
Python
Executable File
42 lines
1.1 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Write out a modified version of a .abc file with just the data
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# to print the first line of the music only.
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#
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import sys
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def process(inf):
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continued = False
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print "X:1"
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for line in inf:
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line = line.strip()
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# If it is empty or starts "%", ignore it.
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if len(line) == 0 or line[0] == "%":
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continue
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# Is it a header line? I.e. does it start LETTER COLON?
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# If so, output only ones we need.
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start = line[:2]
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if len(start) > 1 and start[1] == ":" and start[0].isalpha():
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if start[0] in ["M", "K", "L"]:
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print line
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# Output line. If it is a continuation, output at most one
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# continuation.
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else:
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print line
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if continued or line[-1] != "\\":
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break
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else:
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continued = True
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if len(sys.argv) > 1:
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for arg in sys.argv[1:]:
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try:
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inf = open(arg, "r")
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process(inf)
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finally:
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inf.close()
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else:
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process(sys.stdin)
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