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Read a specific line from a file: Difference between revisions
m
→{{header|REXX}}: removed superflous blanks. -- ~~~~
(→{{header|REXX}}: added comments for sparse files.) |
m (→{{header|REXX}}: removed superflous blanks. -- ~~~~) |
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=={{header|REXX}}==
<lang REXX>/*REXX program to read a specific line from a file. */▼
▲/*read a specific line from a file.*/
parse arg fileId n . /*get the user args: fileid n */
if fileID=='' then fileId='JUNK.TXT' /*assume the default: JUNK.TXT */
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otherwise say 'file' fileId "record" n '=' q
end
/*----------------------------------------------------------------------+
|------ Normally, we could just use: ----- |
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| |
|---- In the case of sparse files, the record may not exist (be null).|
+----------------------------------------------------------------------*/</lang>
=={{header|Ruby}}==
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