diff options
| author | Case Duckworth | 2020-05-22 08:38:40 -0500 |
|---|---|---|
| committer | Case Duckworth | 2020-05-22 08:38:40 -0500 |
| commit | 6cce4bd5e7e89406c0ca5942076c95c458bba2dc (patch) | |
| tree | 89e5a9393b5c99aa2a6eb0fc87e9e97e7ec84e57 /wrap | |
| download | bollux-6cce4bd5e7e89406c0ca5942076c95c458bba2dc.tar.gz bollux-6cce4bd5e7e89406c0ca5942076c95c458bba2dc.zip | |
Ready to upload
Diffstat (limited to 'wrap')
| -rwxr-xr-x | wrap | 31 |
1 files changed, 31 insertions, 0 deletions
| diff --git a/wrap b/wrap new file mode 100755 index 0000000..011aa58 --- /dev/null +++ b/wrap | |||
| @@ -0,0 +1,31 @@ | |||
| 1 | #!/usr/bin/env bash | ||
| 2 | |||
| 3 | wrap() { | ||
| 4 | local width="$1" | ||
| 5 | local len=0 | ||
| 6 | |||
| 7 | while read -r -a line; do | ||
| 8 | for word in "${line[@]}"; do | ||
| 9 | ((len += "${#word}" + 1)) | ||
| 10 | #printf '%s' "$len" | ||
| 11 | if ((len >= width)); then | ||
| 12 | printf '\n' | ||
| 13 | # ruler "$width" | ||
| 14 | len=${#word} | ||
| 15 | fi | ||
| 16 | printf '%s ' "$word" | ||
| 17 | done | ||
| 18 | done | ||
| 19 | printf '\n' | ||
| 20 | } | ||
| 21 | |||
| 22 | ruler() { | ||
| 23 | for ((i = 0; i < $1; i++)); do | ||
| 24 | printf '%s' "${2:--}" | ||
| 25 | done | ||
| 26 | printf '\n' | ||
| 27 | } | ||
| 28 | |||
| 29 | if [[ "${BASH_SOURCE[0]}" == "$0" ]]; then | ||
| 30 | wrap "$@" | ||
| 31 | fi | ||