I, to, have wished for such an API. I think that would be a very welcome addition.
> On Nov 17, 2017, at 11:34 AM, Tony Parker via swift-corelibs-dev > <swift-corelibs-dev@swift.org> wrote: > > Hi Abhi, > > It does seem like there is a possibility of some better convenience API here. > > Any ideas on what form it would take? A class method on Process that returns > the output, maybe? > > - Tony > >> On Nov 16, 2017, at 3:34 PM, Abhi Beckert via swift-corelibs-dev >> <swift-corelibs-dev@swift.org <mailto:swift-corelibs-dev@swift.org>> wrote: >> >> Swift is a great shell scripting language except for it's lack of any API to >> execute UNIX commands. Compare these two shell scripts: >> >>> #!/usr/bin/php >>> <? >>> >>> $files = `find ~/Desktop -name *.png`; >>> >>> foreach (explode("\n", $files) as $file) { >>> // do something with $file >>> } >> >> - >> >>> #!/usr/bin/swift >>> >>> import Foundation >>> >>> let process = Process() >>> process.launchPath = "/usr/bin/find" >>> process.arguments = [ >>> NSString(string:"~/Desktop").expandingTildeInPath, >>> "-name", >>> "*.png" >>> ] >>> >>> let output = Pipe() >>> process.standardOutput = output >>> >>> process.launch() >>> >>> let files: String >>> if let filesUtf8 = NSString(data: >>> output.fileHandleForReading.readDataToEndOfFile(), encoding: >>> String.Encoding.utf8.rawValue) { >>> files = filesUtf8 as String >>> } else { >>> files = NSString(data: output.fileHandleForReading.readDataToEndOfFile(), >>> encoding: String.Encoding.isoLatin1.rawValue) as NSString! as String >>> } >>> >>> files.enumerateLines { file, _ in >>> // do something with file >>> } >> >> It's a contrived example, I could have used NSFileManager, but I run into >> this all the time integrating with more complex tools such as rsync. >> >> Adding my own high level wrapper around the Process command isn't an option >> since there is no good way to import code from another file when executing >> swift asa shell script. All your code needs to be in one file. >> >> - Abhi >> _______________________________________________ >> swift-corelibs-dev mailing list >> swift-corelibs-dev@swift.org <mailto:swift-corelibs-dev@swift.org> >> https://lists.swift.org/mailman/listinfo/swift-corelibs-dev >> <https://lists.swift.org/mailman/listinfo/swift-corelibs-dev> > _______________________________________________ > swift-corelibs-dev mailing list > swift-corelibs-dev@swift.org > https://lists.swift.org/mailman/listinfo/swift-corelibs-dev
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