Reverse the order of lines in a text file while preserving the contents of each line: Difference between revisions
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m (→{{header|REXX}}: added wording to the REXX section header.) |
(Added Wren) |
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Ring Programming Language #1 |
Ring Programming Language #1 |
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done... |
done... |
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</pre> |
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=={{header|Wren}}== |
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{{libheader|Wren-ioutil}} |
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<lang ecmascript>import "/ioutil" for File, FileUtil |
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var fileName1 = "rodgers.txt" |
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var fileName2 = "rodgers_reversed.txt" |
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// read lines from input file |
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var lines = FileUtil.readLines(fileName1) |
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// remove final blank line, if any, added by some editors |
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if (lines[-1] == "") lines.removeAt(-1) |
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// write lines in reverse order to output file |
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File.create(fileName2) { |file| |
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for (i in lines.count-1..1) file.writeBytes(lines[i] + FileUtil.lineBreak) |
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file.writeBytes(lines[0]) |
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} |
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// print contents of output file to terminal |
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System.print(File.read(fileName2))</lang> |
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{{out}} |
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<pre> |
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--- Will Rodgers |
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until you can find a rock." |
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saying 'Nice Doggy' |
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"Diplomacy is the art of |
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</pre> |
</pre> |
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