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Added loops

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Dylan Araps
2018-06-15 16:43:03 +10:00
parent b162634394
commit f3a113f370
1 changed files with 7 additions and 0 deletions
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README.md
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@@ -596,10 +596,17 @@ done
## Loop over an array with an index. ## Loop over an array with an index.
```shell ```shell
arr=(apples oranges tomatoes)
# Elements and index. # Elements and index.
for i in "${!arr[@]}"; do for i in "${!arr[@]}"; do
printf '%s\n' "${arr[$i]}" printf '%s\n' "${arr[$i]}"
done done
# Alternative method.
for ((i=0;i<${#arr[@]};i++)); do
printf '%s\n' "${arr[$i]}"
done
``` ```
## Loop over the contents of a file. ## Loop over the contents of a file.