mirror of
https://github.com/LukeSmithxyz/voidrice.git
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128 lines
2.6 KiB
Bash
128 lines
2.6 KiB
Bash
#!/bin/sh
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# Program:
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# * rename file while removing [:punct:], replace [:upper:] with
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# [:lower:], replace "${sep}" with '_'
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# * while given '-d' , do not rename file, only print new
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# file name
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# Dependency:
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# * err.sh
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# Author:
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# * Chang, Chu-Kuan <cckuan@changchukuan.name>
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#
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# Setting
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#
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# Characters which will be replaced by '_', other [:punct:] not presented here
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# will be deleted
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readonly sep='[]()._-[:blank:]'
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. err.sh
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help_msg()
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{
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cat << EOF
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Usage:
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${progname} [-hd] file... - format filename
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Options:
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-d Perform a 'dry run'. Do not actually rename file.
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-h Show this message and exit.
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EOF
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}
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process_file()
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{
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file="$1"
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dir="$(dirname "${file}")"
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base="$(basename "${file}")"
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# Return if there is error parsing file name
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if test -z "${file}" || test -z "${dir}" || test -z "${base}"; then
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printf '%s: error parsing file: %s\n' "${progname}" "${file}" 1>&2
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return 1
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fi
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case "${base}" in
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# file name with extension
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*.*)
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# get file extension
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extension="${base##*.}"
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# process file name
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new_base="$(printf '%s' "${base%.*}" \
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| iconv --to-code=utf-8 \
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| tr "${sep}" ' ' \
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| tr -d '[:punct:]' \
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| tr '[:upper:]' '[:lower:]' \
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| tr -s ' ' '_' \
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| sed 's/^_//; s/_$//'
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).${extension}"
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;;
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# file name without extension
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*)
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new_base="$(printf '%s' "${base}" \
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| iconv --to-code=utf-8 \
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| tr "${sep}" ' ' \
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| tr -d '[:punct:]' \
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| tr '[:upper:]' '[:lower:]' \
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| tr -s ' ' '_' \
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| sed 's/^_//; s/_$//'
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)"
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;;
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esac
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if test "${base}" = "${new_base}"; then
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clean_file_cnt="$((clean_file_cnt + 1))"
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printf '%s: file %s require no rename\n' "${progname}" \
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"${base}"
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return 0
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fi
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case "${d_flag}" in
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'1')
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# While given '-d', do not rename file, only
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# print new file name
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printf '%s -> %s\n' "${base}" "${new_base}"
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;;
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*)
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# Rename file (prompt before overwrite)
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mv -iv "${dir}/${base}" "${dir}/${new_base}" \
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&& success_file_cnt="$((success_file_cnt + 1))"
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;;
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esac
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}
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readonly progname="$(basename "$0")"
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d_flag='0'
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total_file_cnt='0'
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success_file_cnt='0'
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clean_file_cnt='0'
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while getopts 'dh' opt; do
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case "${opt}" in
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'd')
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readonly d_flag='1'
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;;
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'h')
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help_msg
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exit 0
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;;
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*)
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err '1' 'invalid option\n'
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;;
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esac
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done
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shift "$((OPTIND - 1))"
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for arg; do
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total_file_cnt="$((total_file_cnt + 1))"
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process_file "${arg}"
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done
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# Report status
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printf '\n%s: renamed %d, clean %d, total %d/%d\n' "${progname}" \
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"${success_file_cnt}" "${clean_file_cnt}" \
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"$((success_file_cnt + clean_file_cnt))" "${total_file_cnt}"
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