54 lines
1.6 KiB
Plaintext
54 lines
1.6 KiB
Plaintext
#!/usr/bin/env nomsu -V4.12.12.8
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#
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This file defines some actions that interact with the operating system and filesystem.
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test:
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assume (nomsu files for "core")
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externally (files for %path) means:
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%files = (=lua "Files.list(\%path)")
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if %files:
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%files = (List %files)
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return %files
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externally (nomsu files for %path) means:
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for %nomsupath in (%package.nomsupath::all matches of "[^;]+"):
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%files = (files for "\(%nomsupath)/\%path")
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if %files:
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return %files
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externally (sh> %cmd) means:
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lua> "\
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..local result = io.popen(\%cmd)
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local contents = result:read("*a")
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result:close()
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return contents"
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test:
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read file "lib/os.nom"
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externally (read file %filename) means (=lua "Files.read(\%filename)")
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externally [..]
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write to file %filename %text, to file %filename write %text
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write %text to file %filename
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..all mean:
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assume (%filename != "stdin") or barf "Cannot write to stdin"
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lua> "\
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..local file = io.open(\%filename, 'w')
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file:write(\%text)
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file:close()"
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externally (source lines of %tree) means:
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%source = (%tree.source if (%tree is syntax tree) else %tree)
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%file = (read file %source.filename)
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return (..)
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[..]
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:
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for % in (%file::line number at %source.start) to (..)
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%file::line number at %source.stop
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..: add (%file::line %)
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..::joined with "\n"
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externally (spoof file %text) means (%Files.spoof %text)
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externally (spoof file %filename = %text) means (%Files.spoof %filename %text)
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