@@ -0,0 +1,10 @@ 
+
+# Note: has a limit of like 10k or something, I forget
+function bin2hex --description ''
+    if test (count $argv) -ne 1
+        echo "usage: $(status current-command) [path of file to hexdump]"
+        return 1
+    end
+
+    hexdump -v -e '1/1 "%02x"' "$argv[1]"  # ex. -> 48656c6c6f20...
+end

@@ -0,0 +1,13 @@ 
+function fzvim --description 'Picks file path with fzf and opens in $EDITOR'
+    set -f file_path "$(fzf)"
+
+    if test -f "$file_path"
+        echo "Editing $file_path..."
+        $EDITOR "$file_path"
+    else if test "$file_path" = ""  # no entries chosen from fzf
+        :                      # do nothing
+    else
+        echo "$file_path not found."
+    end
+end
+

@@ -0,0 +1,9 @@ 
+# Note: has a limit of like 10k or something, I forget
+function hex2bin --description ''
+    if test (count $argv) -ne 1
+        echo "usage: $(status current-command) [path of file containing hex digits to bindump]"
+        return 1
+    end
+
+    sed 's/\([0-9A-F]\{2\}\)/\\\\\\\x\1/gI' "$argv[1]" | xargs printf
+end

@@ -0,0 +1,16 @@ 
+function mkcd --description 'Make directory and cd into it. Note: STILL has one edge case (if argument contains '..' AND goes through symlink)'
+    if test (count $argv) -ne 1
+        return 1
+    end
+
+    #case "$1" in /*) :;; *) set -- "./$1";; esac # for weird directories "-xx/"
+    switch "$argv[1]"
+    case /* 
+        set -f dest "$argv[1]"
+    case '*'
+        set -f dest "./$argv[1]"
+    end
+
+    mkdir -p "$dest" && cd "$dest"
+end 
+

@@ -0,0 +1,10 @@ 
+function printx509 --description "Helper to pretty-print DER/PEM-encoded X.509 certificates"
+    if test (count $argv) -eq 0
+        echo "usage: $0 [path(s) to one or more certificates to pretty-print...] "
+        return 1
+    end
+    for cert in $argv
+        # TODO: verify filetype of certificate
+        openssl x509 -text -noout -in $cert
+    end
+end

@@ -0,0 +1,4 @@ 
+function public-ip --description 'Fetch current public IP address'
+    curl 'http://icanhazip.com/'
+    #curl 'https://j3s.sh/ip.html'
+end

@@ -0,0 +1,3 @@ 
+function scan-for-printers --description 'Look for printers on the connected LAN'
+    sudo lpinfo -v
+end

@@ -0,0 +1,3 @@ 
+function wifi-strength --description 'Get WiFi statistics in real time'
+    watch -n 1 cat /proc/net/wireless
+end