crypt: Stylistic changes (#93)
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9a5eac21be
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160
crypt/crypt
160
crypt/crypt
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@ -7,7 +7,7 @@ configuredClient=""
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checkOpenSSL()
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{
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if ! command -v openssl &>/dev/null ;then
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if ! command -v openssl &>/dev/null; then
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echo "Error: to use this tool openssl must be installed" >&2
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return 1
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else
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@ -17,25 +17,25 @@ checkOpenSSL()
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getConfiguredClient()
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{
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if command -v curl &>/dev/null ; then
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configuredClient="curl"
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elif command -v wget &>/dev/null ; then
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configuredClient="wget"
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elif command -v fetch &>/dev/null ; then
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configuredClient="fetch"
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else
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echo "Error: This tool reqires either curl, wget, or fetch to be installed."
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return 1
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fi
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if command -v curl &>/dev/null; then
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configuredClient="curl"
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elif command -v wget &>/dev/null; then
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configuredClient="wget"
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elif command -v fetch &>/dev/null; then
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configuredClient="fetch"
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else
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echo "Error: This tool reqires either curl, wget, or fetch to be installed."
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return 1
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fi
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}
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## Allows to call the users configured client without if statements everywhere
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httpGet()
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{
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case "$configuredClient" in
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curl) curl -A curl -s "$@";;
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wget) wget -qO- "$@";;
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fetch) fetch -o "...";;
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curl) curl -A curl -s "$@" ;;
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wget) wget -qO- "$@" ;;
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fetch) fetch -o "..." ;;
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esac
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}
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@ -65,10 +65,10 @@ update()
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nameOfInstallFile="install.sh" # change this if the installer file has a different name be sure to include file extension if there is one
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latestVersion=$(httpGet https://api.github.com/repos/$githubUserName/$repositoryName/tags | grep -Eo '"name":.*?[^\\]",'| head -1 | grep -Eo "[0-9.]+" ) #always grabs the tag without the v option
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if [[ $currentVersion == "" || $repositoryName == "" || $githubUserName == "" || $nameOfInstallFile == "" ]];then
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if [[ $currentVersion == "" || $repositoryName == "" || $githubUserName == "" || $nameOfInstallFile == "" ]]; then
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echo "Error: update utility has not been configured correctly." >&2
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exit 1
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elif [[ $latestVersion == "" ]];then
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elif [[ $latestVersion == "" ]]; then
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echo "Error: no active internet connection" >&2
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exit 1
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else
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@ -76,16 +76,16 @@ update()
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echo "Version $latestVersion available"
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echo -n "Do you wish to update $repositoryName [Y/n]: "
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read -r answer
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if [[ "$answer" == "Y" || "$answer" == "y" ]] ;then
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cd ~ || { echo 'Update Failed' ; exit 1 ; }
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if [[ -d ~/$repositoryName ]]; then rm -r -f $repositoryName || { echo "Permissions Error: try running the update as sudo"; exit 1; } ; fi
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if [[ "$answer" == [Yy] ]]; then
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cd ~ || { echo 'Update Failed'; exit 1; }
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if [[ -d ~/$repositoryName ]]; then rm -r -f $repositoryName || { echo "Permissions Error: try running the update as sudo"; exit 1; } ; fi
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git clone "https://github.com/$githubUserName/$repositoryName" || { echo "Couldn't download latest version" ; exit 1; }
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cd $repositoryName || { echo 'Update Failed' ; exit 1 ;}
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cd $repositoryName || { echo 'Update Failed'; exit 1; }
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git checkout "v$latestVersion" 2> /dev/null || git checkout "$latestVersion" 2> /dev/null || echo "Couldn't git checkout to stable release, updating to latest commit."
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chmod a+x install.sh #this might be necessary in your case but wasnt in mine.
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chmod a+x install.sh # This might be necessary in your case but wasn't in mine.
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./$nameOfInstallFile "update" || exit 1
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cd ..
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rm -r -f $repositoryName || { echo "Permissions Error: update succesfull but cannot delete temp files located at ~/$repositoryName delete this directory with sudo"; exit 1; }
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rm -r -f $repositoryName || { echo "Permissions Error: update succesfull but cannot delete temp files located at ~/$repositoryName delete this directory with sudo"; exit 1; }
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else
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exit 1
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fi
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@ -93,92 +93,88 @@ update()
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echo "$repositoryName is already the latest version"
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fi
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fi
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}
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usage()
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{
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echo "Crypt"
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echo "Description: A wrapper around openssl that facilitates encrypting and decrypting files."
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echo "Usage: crypt [flag] [inputFile] [outputFile]"
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echo " -e Encrypt the inputFile and store it in the outputFile"
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echo " -d Decrypt the inputFile and store it in the outputFile"
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echo " -u Update Bash-Snippet Tools"
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echo " -h Show the help"
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echo " -v Get the tool version"
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echo "Examples:"
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echo " crypt -e mySecretFile.txt myEncryptedFile.jpg (change filetype so default program is incorrect)"
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echo " crypt -d myEncryptedFile.jpg thisIsNowDecrypted.txt (change filetype back so now default program is correct)"
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cat <<EOF
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Crypt
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Description: A wrapper around openssl that facilitates encrypting and decrypting files.
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Usage: crypt [flag] [inputFile] [outputFile]
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-e Encrypt the inputFile and store it in the outputFile
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-d Decrypt the inputFile and store it in the outputFile
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-u Update Bash-Snippet Tools
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-h Show the help
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-v Get the tool version
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Examples:
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crypt -e mySecretFile.txt myEncryptedFile.jpg (change filetype so default program is incorrect)
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crypt -d myEncryptedFile.jpg thisIsNowDecrypted.txt (change filetype back so now default program is correct)
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EOF
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}
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checkOpenSSL || exit 1
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while getopts "huve:d:" opt; do ## alows for using options in bash
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case $opt in
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e) ## when trying to encrypt run this
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if [[ $state != "decrypt" ]];then
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state="encrypt"
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else
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echo "Error: the -d and -e options are mutally exclusive" >&2
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e) ## when trying to encrypt run this
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if [[ $state != "decrypt" ]]; then
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state="encrypt"
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else
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echo "Error: the -d and -e options are mutally exclusive" >&2
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exit 1
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fi
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if [[ $# -ne 3 ]]; then
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echo "Option -e needs and only accepts two arguments [file to encrypt] [output file]" >&2
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exit 1
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fi
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;;
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\?) echo "Invalid option: -$OPTARG" >&2
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exit 1
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fi
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if [[ $# -ne 3 ]]; then
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echo "Option -e needs and only accepts two arguments [file to encrypt] [output file]" >&2
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;;
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d) ## when trying to decrypt run this
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if [[ $state != "encrypt" ]]; then
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state="decrypt"
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else
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echo "Error: the -e and -d options are mutally exclusive" >&2
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exit 1
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fi
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if [[ $# -ne 3 ]]; then
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echo "Option -d needs and only accepts two arguments [file to decrypt] [output file]" >&2
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exit 1
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fi
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;;
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u) getConfiguredClient || exit 1
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update
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exit 0
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;;
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h) usage
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exit 0
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;;
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v) echo "Version $currentVersion"
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exit 0
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;;
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:) ## will run when no arguments are provided to to e or d options
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echo "Option -$OPTARG requires an argument." >&2
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exit 1
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fi
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;;
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\?)
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echo "Invalid option: -$OPTARG" >&2
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exit 1
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;;
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d) ## when trying to decrypt run this
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if [[ $state != "encrypt" ]];then
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state="decrypt"
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else
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echo "Error: the -e and -d options are mutally exclusive" >&2
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exit 1
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fi
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if [[ $# -ne 3 ]]; then
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echo "Option -d needs and only accepts two arguments [file to decrypt] [output file]" >&2
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exit 1
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fi
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;;
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u)
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getConfiguredClient || exit 1
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update
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exit 0
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;;
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h)
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usage
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exit 0
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;;
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v)
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echo "Version $currentVersion"
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exit 0
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;;
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:) ## will run when no arguments are provided to to e or d options
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echo "Option -$OPTARG requires an argument." >&2
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exit 1
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;;
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;;
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esac
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done
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if [[ $# == 0 ]]; then
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usage
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exit 0
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elif [[ $1 == "update" ]];then
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elif [[ $1 == "update" ]]; then
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getConfiguredClient || exit 1
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update
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exit 0
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elif [[ $1 == "help" ]];then
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elif [[ $1 == "help" ]]; then
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usage
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exit 0
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elif [[ $state == "encrypt" ]];then
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elif [[ $state == "encrypt" ]]; then
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encrypt $2 $3 || exit 1
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exit 0
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elif [[ $state == "decrypt" ]];then
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elif [[ $state == "decrypt" ]]; then
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decrypt $2 $3 || exit 1
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exit 0
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fi
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