16 lines
215 B
Markdown
16 lines
215 B
Markdown
# AWK and SED Tips and tricks
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## AWK
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### Calculate total or average
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```sh
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awk '{sum+=$1; n++} END {print sum / n}'
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```
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or using builtin row counter NR
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```sh
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awk '{sum+=$1} END {{if NR > 0} print sum / NR}'
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```
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