spelling & interactive mode fixes

README.md

@@ -99,7 +99,7 @@ bashopts_process_opts
 ## Example
 
 ```bash
-#!/bin/bash -ei
+#!/bin/bash -e
 
 # load the library
 . bashopts.sh

bashopts.sh

@@ -238,7 +238,7 @@ bashopts_declare() {
             *)  bashopts_critical "Fatal error";;
         esac
     done
-    # Check imcompatible -v and -r options
+    # Check incompatible -v and -r options
     if [ -n "${options[default]}" ] && [ "${options[req_value]}" == "true" ]; then
         bashopts_critical "bashopts_declare: -r and -v options cannot be activated at the same time"
     fi
@@ -362,7 +362,7 @@ bashopts_dump_value() {
 
 # display the formated help
 bashopts_diplay_help() {
-    local elts optargs_max_len=8 val dval ncol=$COLUMNS
+    local elts optargs_max_len=8 val dval ncol=$(tput cols 2>/dev/null || true)
     declare -A optargs
     # compute the good arguments comumn size
     for op in "${bashopts_optlist[@]}"; do

example.sh

-#!/bin/bash -ei
+#!/bin/bash -e
 
 # load the library
 . bashopts.sh

test.sh

-#!/bin/bash -ei
+#!/bin/bash -e
 # Copyright 2017 Emeric Verschuur <emeric@mbedsys.org>
 #
 # Licensed to the Apache Software Foundation (ASF) under one
@@ -19,7 +19,7 @@
 # under the License.
 
 if [ "$GITLAB_CI" != "true" ]; then
-    exec docker run --rm -ti -e GITLAB_CI=true -v $PWD:$PWD -w $PWD ubuntu:16.04 ./test.sh "$@"
+    exec docker run --rm -i -e GITLAB_CI=true -v $PWD:$PWD -w $PWD ubuntu:16.04 ./test.sh "$@"
 fi
 
 . bashopts.sh
@@ -288,7 +288,7 @@ _test_case_19() {
 
     bashopts_parse_args -b
     bashopts_process_opts
-    
+
     req_test_eq "$a_boolean_value" "true"
 }