44 lines
1.4 KiB
Plaintext
Executable File
44 lines
1.4 KiB
Plaintext
Executable File
#!/usr/bin/env nomsu -V4.8.10
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#
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Tool to find and replace one tree with another.
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nomsu tools/replace.nom [-i] tree_to_replace replacement file1 file2 directory1 ...
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If "-i" is the first argument, replacements will be performed in-place. Otherwise, the
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upgraded code will be printed.
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use "lib/os.nom"
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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%args = (command line args)
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%inplace = (no)
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if (%args.1 is "-i"):
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%inplace = (yes)
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%args::remove index 1
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if ((size of %args) < 3):
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say "Usage: nomsu tools/replace.nom [-i] tree_to_replace replacement files..."
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lua> "os.exit(1)"
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%pattern = (parse (%args::remove index 1))
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%replacement = (parse (%args::remove index 1))
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for %path in %args:
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for file %filename in %path:
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unless (any [%filename::matches "%.nom$", %filename == "-", %filename == "stdin"]):
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do next %filename
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%tree = (parse (read file %filename) from %filename)
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%tree2 = (%tree with %pattern ~> %replacement)
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if (%tree2 == %tree):
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say "No changes in \%filename"
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do next %filename
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%text = "\
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..#!/usr/bin/env nomsu -V\(%tree.version or (Nomsu version))
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\(%tree2 as nomsu)"
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if:
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%inplace:
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say "Replaced in \%filename"
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write %text to file %filename
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else: say %text
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