Check that file exists: Difference between revisions
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'c:\docs' exists |
'c:\docs' exists |
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</pre> |
</pre> |
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=={{header|Frink}}== |
=={{header|Frink}}== |
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This checks that the file exists and is a file, and that the directory exists, and is a directory. (Many of the samples on this page do not check that the files are actually a file or the directories are actually a directory.) It also tries to find various Unicode encodings of the "unusual" filename that may be encoded in different Unicode compositions (e.g. using "precomposed" or "decomposed" representations for some characters. |
This checks that the file exists and is a file, and that the directory exists, and is a directory. (Many of the samples on this page do not check that the files are actually a file or the directories are actually a directory.) It also tries to find various Unicode encodings of the "unusual" filename that may be encoded in different Unicode compositions (e.g. using "precomposed" or "decomposed" representations for some characters. |
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checkFile[normalizeUnicode[unusual, "NFD"]] |
checkFile[normalizeUnicode[unusual, "NFD"]] |
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</syntaxhighlight> |
</syntaxhighlight> |
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=={{header|FutureBasic}}== |
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<syntaxhighlight lang="futurebasic"> |
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include "NSLog.incl" |
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CFURLRef url |
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url = fn URLFileURLWithPath( @"~/Desktop/myTextFile.txt" ) |
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if (fn FileManagerFileExistsAtURL( url ) ) |
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NSLog( @"File already exists." ) |
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else |
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NSLog( @"File does not exist at this location." ) |
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end if |
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HandleEvents |
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</syntaxhighlight> |
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=={{header|Gambas}}== |
=={{header|Gambas}}== |
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'''[https://gambas-playground.proko.eu/?gist=fa06b7cc43166fb0ab48e878d86e3d1b Click this link to run this code]''' |
'''[https://gambas-playground.proko.eu/?gist=fa06b7cc43166fb0ab48e878d86e3d1b Click this link to run this code]''' |
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'`Abdu'l-Bahá.txt' does exist (zero length and unusual name) |
'`Abdu'l-Bahá.txt' does exist (zero length and unusual name) |
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</pre> |
</pre> |
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=={{header|GAP}}== |
=={{header|GAP}}== |
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<syntaxhighlight lang="gap">IsExistingFile("input.txt"); |
<syntaxhighlight lang="gap">IsExistingFile("input.txt"); |
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