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pages/04.other/15.fish/default.en.md
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pages/04.other/15.fish/default.en.md
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---
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title: Fish
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---
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[toc]
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## For loop
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### Iterating over number sequence
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`for i in (seq 1 10); echo $i; end`
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Output:
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```
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1
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2
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3
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4
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5
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6
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7
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8
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9
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10
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```
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If you want all numbers to be padded to equal lengths use the `-w` flag with `seq`
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`for i in (seq -w 1 10); echo $i; end`
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Output:
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```
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01
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02
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03
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04
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05
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06
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07
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08
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09
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10
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```
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