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
8 # Depends: GNU Grep 3.7; GNU find utils 4.8.0; GNU Parallel 20210822
11 ## Search this directory.
12 if [[ ! -v BKMML_TARGET_DIR
]]; then BKMML_TARGET_DIR
="$HOME"; fi;
17 DIR_OUT
="./links_music_results";
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
25 if ! command -v parallel
&>/dev
/random
; then alias parallel
='xargs'; fi;
28 if [[ ! -d "$DIR_OUT" ]]; then mkdir
-p "$DIR_OUT"; fi;
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..$fn";
38 done < <(find -L "$(readlink -f "$BKMML_TARGET_DIR")" \
39 -maxdepth 10 -type f
-size +100000c \
48 -o -iname "*.ogg" \
) \
49 -a -iname "*$FIND_SEARCH*" \
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)}'
57 # Author: Steven Baltakatei Sandoval