move from /bin/bash to /usr/bin/env bash

Author: drowe67

unittest/fading_files.sh

@@ -1,4 +1,4 @@
-#!/bin/bash -x
+#!/usr/bin/env bash
 #
 # Generate fading files used for channel simulation
 

unittest/ofdm_fade.sh

@@ -1,4 +1,4 @@
-#!/bin/bash -x
+#!/usr/bin/env bash
 #
 # David June 2019
 # Tests 700D OFDM modem fading channel performance, using a simulated channel

unittest/ofdm_fade_dpsk.sh

@@ -1,4 +1,4 @@
-#!/bin/bash -x
+#!/usr/bin/env bash
 #
 # David Sep 2019
 # Tests 2020 OFDM modem fading channel performance in DPSK mode, using a simulated faster (2Hz) high SNR fading channel

unittest/ofdm_phase_est_bw.sh

@@ -1,4 +1,4 @@
-#!/bin/bash -x
+#!/usr/bin/env bash
 #
 # ofdm_phase_est_bw.sh
 # David August 2019

unittest/ofdm_time_sync.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Shell script version of ofdm_time_sync()
 # David June 2019
 # Tests ofdm modem sync time, using real, off air files

unittest/ota_auto.sh

@@ -1,4 +1,4 @@
-#!/bin/bash -x
+#!/usr/bin/env bash
 # ota_auto.sh
 #
 # Run a single automated test and log results

unittest/ota_last.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Present summary info from the n-th latest OTA HF data test
 

unittest/ota_summary.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Summarise tests to date
 

unittest/ota_test.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # ota_test.sh
 #
 # Automated Over The Air (OTA) data test for FreeDV OFDM HF data modems

unittest/ota_voice_auto.sh

@@ -1,4 +1,4 @@
-#!/bin/bash -x
+#!/usr/bin/env bash
 # ota_voice_auto.sh
 #
 # Run a single automated voice test, files are put in a time stamped directory, and summarised in single line