From fa92f4fd06189d357cbf2c534fd4c4c5d7ef2c7d Mon Sep 17 00:00:00 2001 From: Gardouille Date: Wed, 6 Jan 2021 15:57:19 +0100 Subject: [PATCH] Script to delete the extension of a list of files --- ext.delete.sh | 272 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 272 insertions(+) create mode 100755 ext.delete.sh diff --git a/ext.delete.sh b/ext.delete.sh new file mode 100755 index 0000000..5384267 --- /dev/null +++ b/ext.delete.sh @@ -0,0 +1,272 @@ +#!/bin/sh + +# Purpose : Remove file's extension (lasts characters after the last dot) + +# Vars {{{ +readonly PROGNAME=$(basename "${0}") +readonly NBARGS="${#}" +## Test if DEBUG is already defined (by parent script,…) +[ -z "${DEBUG}" ] && DEBUG=1 + +## Colors +readonly PURPLE='\033[1;35m' +readonly RED='\033[0;31m' +readonly RESET='\033[0m' +readonly COLOR_DEBUG="${PURPLE}" +# }}} +usage() { # {{{ + + cat <<- EOF +usage: $PROGNAME [--debug,--help] + +Try to remove file's extension. + +EXAMPLES : + - Delete "bkp" extension to /tmp/test.me.bkp file + ${PROGNAME} /tmp/test.me.bkp + +OPTIONS : + -d,--debug + Enable debug messages. + + -h,--help + Print this help message. + +EOF + +} +# }}} +debug_message() { # {{{ + + local_debug_message="${1}" + + ## Print message if DEBUG is enable (=0) + [ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6b\e[m\n' "DEBUG − ${PROGNAME} : ${local_debug_message}" + + local_debug_message="" + + return 0 +} +# }}} +error_message() { # {{{ + + local_error_message="${1}" + local_error_code="${2}" + + ## Print message if DEBUG is enable (=0) + [ "${DEBUG}" -eq "0" ] && printf '%b\n' "ERROR − ${PROGNAME} : ${RED}${local_error_message}${RESET}" + + local_error_message="" + + exit "${local_error_code:=66}" +} +# }}} +is_file() { # {{{ + + local_file="${1}" + + if [ -e "${local_file}" ]; then + return_is_file="0" + debug_message "is_file − \ +${local_file} seems to exists." + else + return_is_file="1" + debug_message "is_file − \ +${local_file} doesn't seems to exists." + fi + + ## Empty var + local_file="" + + return "${return_is_file}" + +} +# }}} +is_not_file() { # {{{ + + local_file="${1}" + + if [ ! -e "${local_file}" ]; then + return_is_not_file="0" + debug_message "is_not_file − \ +${local_file} doesn't seems to exists." + else + return_is_not_file="1" + debug_message "is_not_file − \ +${local_file} seems to exists." + fi + + ## Empty var + local_file="" + + return "${return_is_not_file}" + +} +# }}} +is_defined() { # {{{ + + local_var="${1}" + local_var_name="${2}" + + if [ -n "${local_var}" ]; then + return_is_defined="0" + debug_message "is_defined − \ +${local_var_name:=VAR} (${local_var}) seems defined." + else + return_is_defined="1" + debug_message "is_defined − \ +${local_var_name:=VAR} doesn't seems defined." + fi + + ## Empty var + local_var="" + local_var_name="" + + return "${return_is_defined}" + +} +# }}} +is_not_defined() { # {{{ + + local_var="${1}" + local_var_name="${2}" + + if [ -z "${local_var}" ]; then + return_is_not_defined="0" + debug_message "is_not_defined − \ +${local_var_name:=VAR} doesn't seems defined." + else + return_is_not_defined="1" + debug_message "is_not_defined − \ +${local_var_name:=VAR} (${local_var}) seems defined." + fi + + ## Empty var + local_var="" + local_var_name="" + + return "${return_is_not_defined}" + +} +# }}} +remove_extension() { # {{{ + + local_file="${1}" + + file_without_extension=$(echo "${local_file}" | sed -e 's/\.[^.]*$//') + + debug_message "remove_extension − \ +Try to remove extension to ${local_file} file" + mv -- "${local_file}" "${file_without_extension}" + + return_remove_extension="${?}" + + ## Empty var + local_file="" + file_without_extension="" + + return "${return_remove_extension}" + +} +# }}} + +main() { # {{{ + + is_not_defined "${FILE_LIST}" FILE_LIST && \ + usage && \ + error_message "Some file or directory must be passed as argument" "33" + + IFS="%" + for file in ${FILE_LIST}; do + + debug_message "FILE_LIST for loop − \ +Try to ${file} file" + + remove_extension "${file}" + + done + +} +# }}} + +# Manage arguments # {{{ + +## If there is argument(s) +if [ ! "${NBARGS}" -eq "0" ]; then + + manage_arg="0" + + # Parse all options (start with a "-") one by one {{{ + while printf -- '%s' "${1}" | grep -q -E -- "^-+"; do + + case "${1}" in + -d|--debug ) ## Enable debug mode + ## Enable DEBUG + DEBUG="0" + ;; + -h|--help ) ## help + usage + ## Exit after help informations + exit 0 + ;; + * ) ## unknow option + printf '%b\n' "${RED}Invalid option: ${1}${RESET}" + printf '%b\n' "---" + usage + exit 1 + ;; + esac + + debug_message "Arguments management − \ +${RED}${1}${COLOR_DEBUG} option managed." + + ## Move to the next argument + shift + manage_arg=$((manage_arg+1)) + + done + # }}} + + # If it remains arguments (not option) {{{ + if [ "${1}" ]; then + debug_message "Arguments management − \ +Remains arguments." + while printf -- '%s' "${1}" | grep -q -E -- "^.+"; do + temp_arg="${1}" + + debug_message "Arguments management − \ +Manage ${temp_arg}" + ### If arg is a file|directory|… + is_file "${temp_arg}" && { + ### Add arg to FILE_LIST if it's already defined + is_defined "${FILE_LIST}" FILE_LIST && \ + FILE_LIST="${FILE_LIST}%${temp_arg}" || \ + FILE_LIST="${temp_arg}" + } + + ### If arg is not a file|directory|… + is_not_file "${temp_arg}" && \ + printf '%s\n' "${temp_arg} doesn't seems to exist, skipping." + + ### Move to the next argument + shift + manage_arg=$((manage_arg+1)) + done + else + debug_message "Arguments management − \ +No more arguments." + fi + # }}} + + debug_message "Arguments management − \ +${RED}${manage_arg}${COLOR_DEBUG} argument(s) successfully managed." +else + debug_message "Arguments management − \ +No arguments/options to manage." +fi + +# }}} + +main + +exit 0