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Text is read from standard input e.g. <code>echo "string" | sed -f script.sed</code> or <code>sed -f script.sed file.txt</code> (The solution given would be the contents of a text file <code>script.sed</code> in these cases). |
Text is read from standard input e.g. <code>echo "string" | sed -f script.sed</code> or <code>sed -f script.sed file.txt</code> (The solution given would be the contents of a text file <code>script.sed</code> in these cases). |
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For files with more than one line, sed will give a count for each line. |
For files with more than one line, sed will give a count for each line. |
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The 'convert to digits' section is based off of [http://unix.stackexchange.com/a/36959/11750 this StackExchange answer]. |
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:loop |
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# divide by 10 (x = 10) |
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s/i\{10\}/x/g |
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# Convert to digits |
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# convert remainder to decimal digit |
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:convert |
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/i/!s/[0-9]*$/0&/ |
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s/||||||||||/</g |
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s/ |
s/i\{9\}/9/ |
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s/ |
s/i\{8\}/8/ |
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s/i\{7\}/7/ |
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s/|||||||||/9/g; s/||||||||/8/g; s/|||||||/7/g; s/||||||/6/g; |
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s/i\{6\}/6/ |
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s/|||||/5/g; s/||||/4/g; s/|||/3/g; s/||/2/g; s/|/1/g; |
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s/ |
s/iiiii/5/ |
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s/iiii/4/ |
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t convert |
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s/iii/3/ |
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s/ii/2/ |
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s/i/1/ |
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# convert quotient (10s) to 1s |
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y/x/i/ |
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# start over for the next magnitude (if any) |
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=={{header|Seed7}}== |
=={{header|Seed7}}== |
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