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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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8
Task/Remove-lines-from-a-file/ECL/remove-lines-from-a-file-1.ecl Normal file
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IMPORT STD;
RemoveLines(logicalfile, startline, numlines) := FUNCTIONMACRO
EndLine := startline + numlines - 1;
RecCnt := COUNT(logicalfile);
Res := logicalfile[1..startline-1] + logicalfile[endline+1..];
RETURN WHEN(IF(RecCnt < EndLine,logicalfile,Res),
IF(RecCnt < EndLine,STD.System.Log.addWorkunitWarning('Attempted removal past end of file-removal ignored')));
ENDMACRO;

2
Task/Remove-lines-from-a-file/ECL/remove-lines-from-a-file-2.ecl Normal file
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MyFile := DATASET(100,TRANSFORM({UNSIGNED1 RecID},SELF.RecID := COUNTER));
RemoveLines(MyFile,3,10);