find-fuzzy

#!/bin/bash
# See <https://www.fosslinux.com/46761/recursively-find-list-the-files-by-dat-linux.htm>
# find "`pwd`" -type f -printf '%T@ %t %p\n' | sort -k 1 -n | cut -d ' ' -f2-
# ^ type f: only files
# ^ type d: only directories

usage(){
>&2 cat <<END
find-fuzzy <criteria> [option]

The criteria you specify is used as a case-insensitive substring for finding files.
The current working directory (cwd) is used unless --thing is specified.

Options:
--thing        Search only in ~/Meshes and either ~/Nextcloud/Meshes or
               ~/ownCloud/Meshes, whichever exists (Nextcloud has priority).

Examples:
find-fuzzy oblin  # Find files like Goblins.stl and GOBLIN.stl in cwd.
fund-fuzzy GOBL --thing  # Find the same files but only in "Meshes" directories listed above.
END
}

fuzz="$1"
option=""
if [ "x$1" == "x--thing" ]; then
    fuzz="$2"
    option="--thing"
fi
if [ "x" = "x$fuzz" ]; then
    >&2 printf "[find-fuzzy] Error: You didn't specify a criteria for the"
    if [ "x$option" != "x" ]; then
        >&2 printf " $option"
    fi
    echo " search."
    exit 1
fi
if [ "x$option" == "x--thing" ]; then
    has_any=false
    if [ -d "$HOME/Meshes" ]; then
        find "$HOME/Meshes" -iname "*$fuzz*"
        has_any=true
    else
        >&2 echo "[find-fuzzy] Warning: There is no $HOME/Meshes for the '--thing' option."
    fi
    if [ -d "$HOME/Nextcloud/Meshes" ]; then
        find "$HOME/Nextcloud/Meshes" -iname "*$fuzz*"
        has_any=true
    elif [ -d "$HOME/ownCloud/Meshes" ]; then
        find "$HOME/ownCloud/Meshes" -iname "*$fuzz*"
        has_any=true
    else
        >&2 echo "[find-fuzzy] Warning: There is no $HOME/Nextcloud/Meshes nor $HOME/ownCloud/Meshes for the '--thing' option."
    fi
    if [ "$has_any" != "true" ]; then
        >&2 echo "[find-fuzzy] Error: There are 0 known '--thing' locations."
        exit 1
    fi
else
    find "`pwd`" -iname "*$fuzz*"
fi