Check that file exists: Difference between revisions
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99 WRITE(Messagebox='!') 'File does not exist. Error message ', ios </lang> |
99 WRITE(Messagebox='!') 'File does not exist. Error message ', ios </lang> |
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== Icon and Unicon == |
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==={{header|Icon}}=== |
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Icon doesn't support 'stat'; however, information can be obtained by use of the system function to access command line. |
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==={{header|Unicon}}=== |
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<lang Unicon>every dir := !["./","/"] do { |
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write("file ", f := dir || "input.txt", if stat(f) then " exists." else " doesn't exist.") |
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write("directory ", f := dir || "docs", if stat(f) then " exists." else " doesn't exist.") |
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}</lang> |
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Note: Icon and Unicon accept both / and \ for directory separators. |
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=={{header|J}}== |
=={{header|J}}== |
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