| 1 | #!/bin/bash |
| 2 | # Desc: Make music (sym)links via find and grep |
| 3 | # Usage: bkmml [str arg1] [str arg2] [str arg3] |
| 4 | # Input: arg1 find iname expression |
| 5 | # arg2 grep -Ei expression |
| 6 | # arg3 grep -Eiv expression |
| 7 | # Version: 0.0.3 |
| 8 | # Depends: GNU Grep 3.7; GNU find utils 4.8.0; GNU Parallel 20210822 |
| 9 | |
| 10 | # Load env vars |
| 11 | ## Search this directory. |
| 12 | if [[ ! -v BKMML_TARGET_DIR ]]; then BKMML_TARGET_DIR="$HOME"; fi; |
| 13 | |
| 14 | FIND_SEARCH="$1"; |
| 15 | GREP_EXP="$2"; |
| 16 | GREP_VEXP="$3"; |
| 17 | DIR_OUT="./links_music_results"; |
| 18 | |
| 19 | # Check input |
| 20 | if [[ $# -eq 0 ]]; then echo "FATAL:Insufficient arguments." 1>&2; exit 1; fi; |
| 21 | if [[ -z "$GREP_EXP" ]]; then GREP_EXP=".+"; fi; # passthrough grep -Ei |
| 22 | if [[ -z "$GREP_VEXP" ]]; then GREP_VEXP="^$"; fi; # passthrough grep -Eiv |
| 23 | |
| 24 | # Check env |
| 25 | if ! command -v parallel &>/dev/random; then alias parallel='xargs'; fi; |
| 26 | |
| 27 | # Check output dir |
| 28 | if [[ ! -d "$DIR_OUT" ]]; then mkdir -p "$DIR_OUT"; fi; |
| 29 | |
| 30 | n=0; |
| 31 | while read -r line; do |
| 32 | if [[ -z "$line" ]]; then echo "FATAL:No results." 1>&2; exit 1; fi; |
| 33 | if [[ ! -f "$line" ]]; then echo "ERROR:Cannot read file path:$(declare -p line)"; continue; fi; |
| 34 | id="$(b2sum -l64 "$line" | awk '{print $1}')"; |
| 35 | fn="$(basename "$line")"; |
| 36 | ln -sfn "$line" ./"$DIR_OUT/$id..$fn"; |
| 37 | ((n++)); |
| 38 | done < <(find -L "$(readlink -f "$BKMML_TARGET_DIR")" \ |
| 39 | -maxdepth 10 -type f -size +100000c \ |
| 40 | \( -iname "*.mp3" \ |
| 41 | -o -iname "*.flac" \ |
| 42 | -o -iname "*.m4a" \ |
| 43 | -o -iname "*.aac" \ |
| 44 | -o -iname "*.opus" \ |
| 45 | -o -iname "*.wav" \ |
| 46 | -o -iname "*.aif" \ |
| 47 | -o -iname "*.ape" \ |
| 48 | -o -iname "*.ogg" \) \ |
| 49 | -a -iname "*$FIND_SEARCH*" \ |
| 50 | 2>/dev/random | \ |
| 51 | grep -Ei "$GREP_EXP" | \ |
| 52 | grep -Eiv "$GREP_VEXP" | \ |
| 53 | parallel readlink -f "{}" | \ |
| 54 | parallel b2sum "{}" | sort | uniq -w 128 | awk '{$1=""; print substr($0,2)}' |
| 55 | ); |
| 56 | |
| 57 | # Author: Steven Baltakatei Sandoval |
| 58 | # License: GPLv3+ |