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@@ -1,12 +1,27 @@
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determine whether it's worthwhile to add a --line-length=N option to sort.
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Add the option and perform this test:
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# determine whether it's worthwhile to add a --line-length=N option to sort.
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# Add the option and perform this test:
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#
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# Test method:
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# ==============
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Test method:
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==============
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for n in 80 200 400 800 3000; do
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sort a file with $n-char lines using the default of N=30
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sort the same file with --line-length=$n
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compare run times
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n_bytes=10000000
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time=/bin/time
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for line_len in 80 200 400 800 3000; do
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echo "line length: $line_len"
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write-file-of-size --bytes=$n_bytes --line-length=$line_len > in
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# sort a file with $n-char lines using the default of N=30
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$time sort in > x
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# sort the same file with --line-length=$n
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SORT_INITIAL_LINE_LENGTH=`expr $line_len + 1` $time sort in > x
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echo
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# compare run times
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done
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do this on at least SunOS, Linux, Solaris
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# do this on at least SunOS, Linux, Solaris
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# RESULTS:
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# Solarix x86 dual PPro/200: none
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