use better portable shebang in scripts

download_samples.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 for i in alloy echo fable onyx nova shimmer; do
 	[ ! -e "voices/$i.wav" ] && curl -s https://cdn.openai.com/API/docs/audio/$i.wav | ffmpeg -loglevel error -i - -ar 22050 -ac 1 voices/$i.wav
 done

download_voices_tts-1-hd.sh

@@ -1,8 +1,8 @@
-#!/bin/sh
+#!/usr/bin/env bash
 export COQUI_TOS_AGREED=1
 export TTS_HOME=voices
 
 for model in $*; do
 	python -c "from TTS.utils.manage import ModelManager; ModelManager().download_model('$model')"
 done
-./download_samples.sh
+./download_samples.sh

download_voices_tts-1.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/usr/bin/env bash
 models=${*:-"en_GB-northern_english_male-medium en_US-libritts_r-medium"} # en_US-ryan-high
 piper --update-voices --data-dir voices --download-dir voices --model x 2> /dev/null
 for i in $models ; do

startup.min.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 [ -f speech.env ] && . speech.env
 

startup.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 [ -f speech.env ] && . speech.env
 

test_voices.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 URL=${1:-http://localhost:8000/v1/audio/speech}