mirror of
https://github.com/natelandau/shell-scripting-templates.git
synced 2025-11-09 13:43:46 -05:00
254 lines
6.7 KiB
Bash
Executable File
254 lines
6.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# ##################################################
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# My Generic BASH script template
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#
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version="1.0.0" # Sets version variable for this script
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#
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scriptTemplateVersion="1.0.1" # Version of scriptTemplate.sh
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# that this script is based on
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#
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# This script installs Homebrew Casks - allowing for command line
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# installation of native Mac Applications. Once Homebrew Casks is installed,
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# this script then installs a number of applications.
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#
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# For logging levels use the following functions:
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# - header: Prints a script header
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# - input: Ask for user input
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# - success: Print script success
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# - info: Print information to the user
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# - notice: Notify the user of something
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# - warning: Warn the user of something
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# - error: Print a non-fatal error
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# - die: A fatal error. Will exit the script
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# - debug: Debug information
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# - verbose: Debug info only printed when 'verbose' flag is set to 'true'.
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#
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# HISTORY:
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#
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# * 2015-02-07 - v1.0.0 - First Creation
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#
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# ##################################################
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# Source Scripting Utilities
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# -----------------------------------
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# If these can't be found, update the path to the file
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# -----------------------------------
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SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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if [ -f "${SCRIPTDIR}/../lib/utils.sh" ]; then
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source "${SCRIPTDIR}/../lib/utils.sh"
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else
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echo "Please find the file util.sh and add a reference to it in this script. Exiting."
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exit 1
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fi
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# trapCleanup Function
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# -----------------------------------
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# Any actions that should be taken if the script is prematurely
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# exited. Always call this function at the top of your script.
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# -----------------------------------
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function trapCleanup() {
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echo ""
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if is_dir "${tmpDir}"; then
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rm -r "${tmpDir}"
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fi
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die "Exit trapped." # Edit this if you like.
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}
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# Set Flags
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# -----------------------------------
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# Flags which can be overridden by user input.
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# Default values are below
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# -----------------------------------
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quiet=0
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printLog=0
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verbose=0
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force=0
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strict=0
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# Set Local Variables
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# -----------------------------------
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# A set of variables used by many scripts
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# -----------------------------------
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# Set Script name and location variables
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scriptName=`basename ${0}` # Full name
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scriptBasename="$(basename ${scriptName} .sh)" # Strips '.sh' from name
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scriptPath="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# Set time stamp
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now=$(date +"%m-%d-%Y %r")
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# Set hostname
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thisHost=$(hostname)
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# Create temp directory with three random numbers and the process ID
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# in the name. This directory is removed automatically at exit.
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tmpDir="/tmp/${scriptName}.$RANDOM.$RANDOM.$RANDOM.$$"
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(umask 077 && mkdir "${tmpDir}") || {
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die "Could not create temporary directory! Exiting."
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}
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# Logging
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# -----------------------------------
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# Log is only used when the '-l' flag is set.
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#
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# To never save a logfile change variable to '/dev/null'
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# Save to Desktop use: $HOME/Desktop/${scriptBasename}.log
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# Save to standard user log location use: $HOME/Library/Logs/${scriptBasename}.log
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# -----------------------------------
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logFile="${HOME}/Library/Logs/${scriptBasename}.log"
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function mainScript() {
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############## Begin Script Here ###################
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header "Beginning ${scriptName}"
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# Set Variables
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LISTINSTALLED="brew cask list"
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INSTALLCOMMAND="brew cask install --appdir=/Applications"
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RECIPES=(
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charles
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codekit
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github
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imagealpha
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imageoptim
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istat-menus
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java
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joinme
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kaleidoscope
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licecap
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mamp
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paw
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suspicious-package
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tower
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)
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# Run Functions
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hasHomebrew
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hasCasks
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brewMaintenance
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doInstall
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brewCleanup
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header "Completed ${scriptName}"
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############## End Script Here ###################
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}
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############## Begin Options and Usage ###################
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# Print usage
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usage() {
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echo -n "${scriptName} [OPTION]... [FILE]...
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This script installs Homebrew Casks - allowing for command line
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installation of native Mac Applications. Once Homebrew Casks is installed,
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this script then installs a number of applications.
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Options:
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-f, --force Skip all user interaction. Implied 'Yes' to all actions
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-q, --quiet Quiet (no output)
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-l, --log Print log to file
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-s, --strict Exit script with null variables. i.e 'set -o nounset'
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-v, --verbose Output more information. (Items echoed to 'verbose')
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-h, --help Display this help and exit
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--version Output version information and exit
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"
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}
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# Iterate over options breaking -ab into -a -b when needed and --foo=bar into
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# --foo bar
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optstring=h
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unset options
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while (($#)); do
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case $1 in
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# If option is of type -ab
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-[!-]?*)
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# Loop over each character starting with the second
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for ((i=1; i < ${#1}; i++)); do
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c=${1:i:1}
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# Add current char to options
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options+=("-$c")
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# If option takes a required argument, and it's not the last char make
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# the rest of the string its argument
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if [[ $optstring = *"$c:"* && ${1:i+1} ]]; then
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options+=("${1:i+1}")
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break
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fi
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done
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;;
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# If option is of type --foo=bar
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--?*=*) options+=("${1%%=*}" "${1#*=}") ;;
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# add --endopts for --
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--) options+=(--endopts) ;;
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# Otherwise, nothing special
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*) options+=("$1") ;;
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esac
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shift
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done
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set -- "${options[@]}"
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unset options
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# Print help if no arguments were passed.
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# Uncomment to force arguments when invoking the script
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# [[ $# -eq 0 ]] && set -- "--help"
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# Read the options and set stuff
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while [[ $1 = -?* ]]; do
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case $1 in
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-h|--help) usage >&2; safeExit ;;
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--version) echo "$(basename $0) $version"; safeExit ;;
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-u|--username) shift; username=$1 ;;
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-p|--password) shift; password=$1 ;;
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-v|--verbose) verbose=1 ;;
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-l|--log) printLog=1 ;;
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-q|--quiet) quiet=1 ;;
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-s|--strict) strict=1;;
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-f|--force) force=1 ;;
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--endopts) shift; break ;;
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*) die "invalid option: '$1'." ;;
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esac
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shift
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done
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############## End Options and Usage ###################
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# ############# ############# #############
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# ## TIME TO RUN THE SCRIPT ##
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# ## ##
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# ## You shouldn't need to edit anything ##
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# ## beneath this line ##
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# ## ##
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# ############# ############# #############
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# Trap bad exits with your cleanup function
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trap trapCleanup EXIT INT TERM
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# Exit on error. Append ||true if you expect an error.
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set -o errexit
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# Exit on empty variable
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if [ "${strict}" = "1" ]; then
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set -o nounset
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fi
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# Bash will remember & return the highest exitcode in a chain of pipes.
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# This way you can catch the error in case mysqldump fails in `mysqldump |gzip`
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set -o pipefail
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mainScript # Run your script
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safeExit # Exit cleanly |