updated examples

examples/bash.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+fatal()
+{
+    printf '%s\n' "$*" >&2
+    exit 1
+}
+
+if ! which sexpect >& /dev/null; then
+    fatal 'sexpect not found in your $PATH'
+fi
+
+export SEXPECT_SOCKFILE=/tmp/sexpect-$$.sock
+
+ps1re='bash-[0-9.]+[$#] $'
+sexpect spawn -idle 10 bash --norc
+if ! sexpect expect -t 5 -re "$ps1re"; then
+    fatal "timed out waiting for the shell prompt"
+fi
+
+commands=(
+    'echo hello world'
+    'date'
+    'echo "oN wnii tnrecaitevm do e..." | sed '\'s/'\(.\)\(.\)/\2\1/g'\'
+)
+for cmd in "${commands[@]}"; do
+    sexpect send -cr "$cmd"
+    sexpect expect -re "$ps1re"
+done
+
+sexpect interact -c -sub "([\r\n]+)?($ps1re)::(1)\e[1;35m(2)\e[m"

examples/python.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+
+fatal()
+{
+    printf '%s\n' "$*" >&2
+    exit 1
+}
+
+if ! which sexpect >& /dev/null; then
+    fatal 'sexpect not found in your $PATH'
+fi
+
+export SEXPECT_SOCKFILE=/tmp/sexpect-$$.sock
+
+sexpect spawn -idle 10 python3
+if ! sexpect expect -t 5 ">>> "; then
+    fatal "timed out waiting for the '>>> ' prompt"
+fi
+
+commands=(
+    'from pprint import pprint as pp'
+    'import json'
+    'import os'
+    'import random'
+    'import re'
+    'import sys'
+    'import time'
+    'print(re.sub("(.)(.)", r"\2\1", "oN wnii tnrecaitevm do e...") )'
+)
+for cmd in "${commands[@]}"; do
+    sexpect send -cr "$cmd"
+    sexpect expect ">>> "
+done
+
+sexpect interact -c -sub '([\r\n]+)?(>>> )$::(1)\e[1;35m(2)\e[m'

examples/sum-1-to-100.sh

@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+
+fatal()
+{
+    printf '%s\n' "$*" >&2
+    exit 1
+}
+
+if ! which sexpect >& /dev/null; then
+    fatal 'sexpect not found in your $PATH'
+fi
+
+export SEXPECT_SOCKFILE=/tmp/sexpect-$$.sock
+
+ps1re='bash-[0-9.]+[$#] $'
+sexpect spawn -idle 10 bash --norc
+if ! sexpect expect -t 5 -re "$ps1re"; then
+    fatal "timed out waiting for the shell prompt"
+fi
+
+sexpect send -enter 'sum=0'
+sexpect expect -re "$ps1re"
+
+for ((i = 1; i <= 200; ++i)); do
+    sexpect send -enter "(( sum += $i )); echo \$sum"
+    if ! sexpect expect -t 5 -cstr -re "(5050)?[\r\n]+$ps1re"; then
+        fatal "failed to wait for bash prompt or the final 5050"
+    fi
+    out=$( sexpect expect_out -index 1 )
+    if [[ $out == '5050' ]]; then
+        break
+    fi
+done
+
+if [[ $out == '5050' ]]; then
+    sexpect send -enter ": cool we finally got 5050"
+else
+    sexpect send -enter ": oops we did not get 5050"
+fi
+sexpect expect -re "$ps1re"
+
+sexpect send -enter exit
+sexpect wait