80 lines
2.0 KiB
Awk
80 lines
2.0 KiB
Awk
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function getDirname(path, pathComponents, dirname) {
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sub("/$", "", path)
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pathComponents[1] = ""
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split(path, pathComponents, "/")
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dirname = ""
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if (length(pathComponents) < 2) return "."
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for (i = 1; i <= length(pathComponents) - 1; i++)
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dirname = dirname pathComponents[i] "/"
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return dirname
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}
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function resolvePath(path, resolvedPath, pathComponents) {
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sub("/$", "", path)
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pathComponents[1] = ""
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split(path, pathComponents, "/")
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resolvedPath = ""
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for (i = 1; i <= length(pathComponents); i++)
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if (pathComponents[i] == "." || (i > 1 && pathComponents[i] == "")) continue
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else if (i+1 <= length(pathComponents) && pathComponents[i+1] == "..") i++
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else if (i == length(pathComponents)) resolvedPath = resolvedPath pathComponents[i]
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else resolvedPath = resolvedPath pathComponents[i] "/"
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return resolvedPath
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}
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# relative path
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# assumes that base and path both start from the same root
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# for example:
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# when base = johncon/
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# and path = lotus/garbage.txt
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# the relative path is ../lotus/garbage.txt
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function relpath(base, path, resolvedPath, baseComponents, pathComponents) {
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# sprintf("realpath --relative-to=\"%s\" \"%s\"", base, path) | getline resolvedPath
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sub("$/", "", path)
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sub("$/", "", base)
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base = resolvePath(base)
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path = resolvePath(path)
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pathComponents[1] = ""
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baseComponents[1] = ""
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split(path, pathComponents, "/")
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split(base, baseComponents, "/")
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resolvedPath = ""
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i = 1
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while (baseComponents[i] == pathComponents[i]) i++
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for (j = i; j <= length(baseComponents); j++)
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resolvedPath = resolvedPath "../"
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while (i <= length(pathComponents)) {
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resolvedPath = resolvedPath baseComponents[i] "/"
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i ++
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}
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return resolvedPath
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}
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function toFilename(string, result) {
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result = tolower(string)
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sub("^([ ]*)", "", result)
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sub("([ ]*)$", "", result)
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gsub(" ", "_", result)
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return result
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}
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function hashbased_uuidgen(string, namespace, uuid) {
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sprintf("uuidgen -s -N \"%s\" -n \"%s\"", string, namespace) | getline uuid
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return uuid
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}
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