290 lines
6.1 KiB
Bash
290 lines
6.1 KiB
Bash
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#!/bin/sh
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# Purpose : Add the first argument as extension to other arguments
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# Vars {{{
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readonly PROGNAME=$(basename "${0}")
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readonly NBARGS="${#}"
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## Test if DEBUG is already defined (by parent script,…)
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[ -z "${DEBUG}" ] && DEBUG=1
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## Colors
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readonly PURPLE='\033[1;35m'
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readonly RED='\033[0;31m'
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readonly RESET='\033[0m'
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readonly COLOR_DEBUG="${PURPLE}"
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# }}}
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usage() { # {{{
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cat <<- EOF
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usage: $PROGNAME [--debug,--help,--extension]
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Try to add a file's extension.
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EXAMPLES :
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- Add "bkp" extension to /tmp/test.me file
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${PROGNAME} bkp /tmp/test.me
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OPTIONS :
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-d,--debug
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Enable debug messages.
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-e,--extension
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Define the extension to use.
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-h,--help
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Print this help message.
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EOF
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}
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# }}}
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debug_message() { # {{{
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local_debug_message="${1}"
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## Print message if DEBUG is enable (=0)
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[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6b\e[m\n' "DEBUG − ${PROGNAME} : ${local_debug_message}"
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local_debug_message=""
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return 0
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}
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# }}}
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error_message() { # {{{
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local_error_message="${1}"
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local_error_code="${2}"
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## Print message if DEBUG is enable (=0)
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[ "${DEBUG}" -eq "0" ] && printf '%b\n' "ERROR − ${PROGNAME} : ${RED}${local_error_message}${RESET}"
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local_error_message=""
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exit "${local_error_code:=66}"
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}
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# }}}
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is_file() { # {{{
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local_file="${1}"
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if [ -e "${local_file}" ]; then
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return_is_file="0"
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debug_message "is_file − \
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${local_file} seems to exists."
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else
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return_is_file="1"
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debug_message "is_file − \
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${local_file} doesn't seems to exists."
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fi
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## Empty var
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local_file=""
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return "${return_is_file}"
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}
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# }}}
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is_not_file() { # {{{
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local_file="${1}"
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if [ ! -e "${local_file}" ]; then
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return_is_not_file="0"
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debug_message "is_not_file − \
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${local_file} doesn't seems to exists."
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else
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return_is_not_file="1"
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debug_message "is_not_file − \
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${local_file} seems to exists."
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fi
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## Empty var
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local_file=""
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return "${return_is_not_file}"
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}
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# }}}
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is_defined() { # {{{
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local_var="${1}"
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local_var_name="${2}"
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if [ -n "${local_var}" ]; then
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return_is_defined="0"
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debug_message "is_defined − \
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${local_var_name:=VAR} (${local_var}) seems defined."
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else
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return_is_defined="1"
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debug_message "is_defined − \
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${local_var_name:=VAR} doesn't seems defined."
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fi
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## Empty var
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local_var=""
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local_var_name=""
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return "${return_is_defined}"
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}
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# }}}
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is_not_defined() { # {{{
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local_var="${1}"
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local_var_name="${2}"
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if [ -z "${local_var}" ]; then
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return_is_not_defined="0"
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debug_message "is_not_defined − \
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${local_var_name:=VAR} doesn't seems defined."
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else
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return_is_not_defined="1"
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debug_message "is_not_defined − \
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${local_var_name:=VAR} (${local_var}) seems defined."
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fi
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## Empty var
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local_var=""
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local_var_name=""
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return "${return_is_not_defined}"
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}
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# }}}
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add_extension() { # {{{
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local_extension="${1}"
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local_file="${2}"
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file_with_extension="${local_file}.${local_extension}"
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debug_message "add_extension − \
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Try to add '${local_extension} to ${local_file} file."
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mv -- "${local_file}" "${file_with_extension}"
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return_add_extension="${?}"
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## Empty var
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local_extension=""
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local_file=""
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return "${return_add_extension}"
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}
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# }}}
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main() { # {{{
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is_not_defined "${FILE_LIST}" FILE_LIST && \
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usage && \
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error_message "Some file or directory must be passed as argument" "33"
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IFS="%"
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for file in ${FILE_LIST}; do
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debug_message "FILE_LIST for loop − \
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Try to manage ${file} file"
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add_extension "${EXTENSION}" "${file}"
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done
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}
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# }}}
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# Manage arguments # {{{
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## If there is argument(s)
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if [ ! "${NBARGS}" -eq "0" ]; then
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manage_arg="0"
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# Parse all options (start with a "-") one by one {{{
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while printf -- '%s' "${1}" | grep -q -E -- "^-+"; do
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case "${1}" in
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-d|--debug ) ## Enable debug mode
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## Enable DEBUG
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DEBUG="0"
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;;
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-e|--extension ) ## Define the extension
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## Move to the next argument
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shift
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## Define the extension with this argument
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EXTENSION="${1}"
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;;
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-h|--help ) ## help
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usage
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## Exit after help informations
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exit 0
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;;
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* ) ## unknow option
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printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
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printf '%b\n' "---"
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usage
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exit 1
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;;
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esac
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debug_message "Arguments management − \
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${RED}${1}${COLOR_DEBUG} option managed."
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## Move to the next argument
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shift
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manage_arg=$((manage_arg+1))
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done
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# }}}
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# If it remains arguments (not option) {{{
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if [ "${1}" ]; then
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debug_message "Arguments management − \
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Remains arguments."
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while printf -- '%s' "${1}" | grep -q -E -- "^.+"; do
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temp_arg="${1}"
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debug_message "Arguments management − \
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Manage ${temp_arg}"
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### If arg is a file|directory|…
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is_file "${temp_arg}" && {
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### Add arg to FILE_LIST if it's already defined
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is_defined "${FILE_LIST}" FILE_LIST && \
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FILE_LIST="${FILE_LIST}%${temp_arg}" || \
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FILE_LIST="${temp_arg}"
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}
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### If arg is not a file|directory|…
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is_not_file "${temp_arg}" && {
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### If EXTENSION was already defined, skip
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is_defined "${EXTENSION}" EXTENSION && \
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printf '%s\n' "${temp_arg} is not a file and a EXTENSION was already defined. Skipping."
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### If not defined, use this arg as EXTENSION
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is_not_defined "${EXTENSION}" EXTENSION && \
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EXTENSION="${temp_arg}"
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}
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### Move to the next argument
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shift
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manage_arg=$((manage_arg+1))
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done
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else
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debug_message "Arguments management − \
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No more arguments."
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fi
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# }}}
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debug_message "Arguments management − \
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${RED}${manage_arg}${COLOR_DEBUG} argument(s) successfully managed."
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else
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debug_message "Arguments management − \
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No arguments/options to manage."
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fi
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# }}}
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main
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exit 0
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