| 1 | #!/usr/bin/env bash |
| 2 | |
| 3 | brt_hash() { |
| 4 | local algo="${1:-sha256}" |
| 5 | local input="${2:-}" |
| 6 | |
| 7 | if [[ -z "$input" ]]; then |
| 8 | brt_error "Usage: brt -hash <md5|sha1|sha256|sha512> <string|file>" |
| 9 | exit 1 |
| 10 | fi |
| 11 | |
| 12 | algo=$(echo "$algo" | tr '[:upper:]' '[:lower:]') |
| 13 | |
| 14 | local cmd="" |
| 15 | case "$algo" in |
| 16 | md5) cmd="md5" ;; |
| 17 | sha1) cmd="shasum -a 1" ;; |
| 18 | sha256) cmd="shasum -a 256" ;; |
| 19 | sha512) cmd="shasum -a 512" ;; |
| 20 | *) |
| 21 | brt_error "Unsupported algorithm: ${algo}" |
| 22 | exit 1 |
| 23 | ;; |
| 24 | esac |
| 25 | |
| 26 | if [[ -f "$input" ]]; then |
| 27 | $cmd "$input" | awk '{print $1}' |
| 28 | else |
| 29 | printf '%s' "$input" | $cmd | awk '{print $1}' |
| 30 | fi |
| 31 | } |
| 32 | |