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linux/.linux/bash/module/name.sh

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# rename files to strip all special characters.
# usage: name [FILES]
name()
{
local targets=("${@}") # target file(s).
local count=0 # processed count.
local total=${#} # total to process.
# all targets except hidden by default.
if [[ "${targets}" = "" ]]; then
targets=([^.]*)
total=${#targets[@]}
fi
# process.
for target in "${targets[@]}"; do
# increment counter.
((count++))
# parse new name.
local ext=""
local name="${target}"
# ext only for files.
if [[ -f "${target}" ]]; then
ext=".${target##*.}"
name="${target%.*}"
fi
# Files w/o extension support.
[[ "${ext#.}" = "${name}" ]] && ext=""
# Get new name.
local new_name=$(parse_simplify "${name}")${ext}
# status line.
local status="[${count}/${total}] ${target} -> ${new_name}"
# check if same name.
if [[ "${target}" = "${new_name}" ]]; then
echo -e "${color_green}${status}: No change.${color_default}"
continue
fi
# check if target name already exists.
if [[ -f "${new_name}" ]]; then
echo -e "${color_bred}${status}: already exists!${color_default}"
return 1
fi
# rename target.
mv -- "${target}" "${new_name}" &> /dev/null
# show change.
echo -e "${color_default}${status}${color_default}"
done
}
# rename all files to their hashes while keeping extensions.
# usage: name_hash [FILES]
name_hash()
{
local targets=("${@}") # target file(s).
local count=0 # processed counter.
local total=${#} # total to process.
# all targets except hidden by default.
if [[ "${targets}" = "" ]]; then
targets=([^.]*)
total=${#targets[@]}
fi
# process.
for target in "${targets[@]}"; do
# process only files.
if [[ -f "${target}" ]]; then
# increment count.
((count++))
# extract extension.
local extension="${target##*.}"
if [[ "${extension}" = "${target}" ]]; then
extension=""
else
extension=".${extension}"
fi
# hash the new name.
local hash=$(sha1sum -- "${target}" | cut -d\ -f1)
new_name="${hash,,}${extension}"
# prepare status.
local status="[${count}/${total}] ${target} -> ${new_name}"
# check if same name.
if [[ "${target}" = "${new_name}" ]]; then
echo -e "${color_green}${status}: No change.${color_default}"
continue
fi
# rename target.
mv -- "${target}" "${new_name}" &> /dev/null
# show change.
echo -e "${color_default}${status}${color_default}"
else
# Increment count.
((count++))
# Report skip.
echo -e "${color_green}[${count}/${total}] ${target}: Skipping directory.${color_default}"
fi
done
}
# check hashes for renamed files.
# usage: name_hash_check [FILES]
name_hash_check()
{
local targets=("${@}") # target file(s).
local total=${#} # total to process.
local count=0 # processed counter.
local failed=0 # failed to process counter.
# all targets by default.
if [[ "${targets}" = "" ]]; then
targets=([^.]*)
total=${#targets[@]}
fi
# process.
for target in "${targets[@]}"; do
# process only files.
if [[ -f "${target}" ]]; then
# increment count.
((count++))
# status info.
local status="[${count}/${total}] ${target}"
# extract hashes.
local stored="${target%%.*}"
local actual=$(sha1sum -- "${target}" | cut -d\ -f1)
# compare hashes.
if [[ "${stored}" = "${actual}" ]]; then
echo -e "${color_default}${status}: Validation OK.${color_default}"
else
echo -e "${color_bred}${status}: Validation failed.${color_default}"
((failed++))
fi
else
# Increment count.
((count++))
# Report skip.
echo -e "${color_green}[${count}/${total}] ${target}: Skipping directory.${color_default}"
fi
done
# report result.
if [[ ${count} -gt 1 ]]; then
if [[ ${failed} -gt 0 ]]; then
echo -e "${color_bred}Items failed to validate: ${failed}.${color_default}"
else
echo -e "${color_green}All successful.${color_default}"
fi
fi
}
# rename files for Jellyfin series, i.e. Episode S01E01.mkv
# usage: name_series <SEASON> [FILES]
name_series()
{
local season="${1}" # Season number.
local targets=("${@:2}") # Target files.
local count=0 # Processed counter.
local episode=0 # Current episode count.
local total=${#} # Total to process.
# error when no season number specified.
if [[ "${season}" = "" ]]; then
echo "usage: name_series <SEASON> [FILES]"
return 1
fi
# all targets by default.
if [[ "${targets}" = "" ]]; then
targets=([^.]*)
total=${#targets[@]}
fi
# process.
for target in "${targets[@]}"; do
# process only targets.
if [[ -f "${target}" ]]; then
# increment episode number.
((count++))
((episode++))
# extract new name.
local new_name="Episode S${season}E$(printf %02d ${episode}).${target##*.}"
# prepare status.
local status="[${count}/${total}] ${target} -> ${new_name}"
# Warning on no change.
if [[ "${target}" = "${new_name}" ]]; then
echo -e "${color_green}${status}: No change.${color_default}"
continue
fi
# rename target.
mv -- "${target}" "${new_name}" &> /dev/null
# Report status.
echo -e "${color_default}${status}${color_default}"
else
# Increment count.
((count++))
# Report skip.
echo -e "${color_green}[${count}/${total}] ${target}: Skipping directory.${color_default}"
fi
done
}
# rename files for Kavita manga format.
# usage: name_manga <SEASON> [FILES]
name_manga()
{
local season="${1}" # Season number.
local targets=("${@:2}") # Target files.
local count=0 # Processed counter.
local episode=0 # Current episode count.
local total=${#} # Total to process.
local manga="${PWD##*/}" # Manga name.
# error when no season number specified.
if [[ "${season}" = "" ]]; then
echo "usage: name_manga <SEASON> [FILES]"
return 1
fi
# all targets by default.
if [[ "${targets}" = "" ]]; then
targets=([^.]*)
total=${#targets[@]}
fi
# process.
for target in "${targets[@]}"; do
# process only targets.
if [[ -f "${target}" ]]; then
# increment episode number.
((count++))
((episode++))
# extract new name.
local new_name="${manga} Vol.${season} Ch.${episode}.${target##*.}"
# prepare status.
local status="[${count}/${total}] ${target} -> ${new_name}"
# Warning on no change.
if [[ "${target}" = "${new_name}" ]]; then
echo -e "${color_green}${status}: No change.${color_default}"
continue
fi
# rename target.
mv -- "${target}" "${new_name}" &> /dev/null
# Show status.
echo -e "${color_default}${status}${color_default}"
else
# Increment count.
((count++))
# Report skip.
echo -e "${color_green}[${count}/${total}] ${target}: Skipping directory.${color_default}"
fi
done
}
# rename files for new extension.
# usage: name_ext <EXTENSION> [FILES]
name_ext()
{
local extension="${1}" # new extension.
local targets=("${@:2}") # target file(s).
local count=0 # processed counter.
local total=$((${#}-1)) # total to process.
# error when no new extension specified.
if [[ "${extension}" = "" ]]; then
echo "usage: name_ext <EXTENSION> [FILES]"
return 1
fi
# all targets by default.
if [[ "${targets}" = "" ]]; then
targets=([^.]*)
total=${#targets[@]}
fi
# process.
for target in "${targets[@]}"; do
# process only targets.
if [[ -f "${target}" ]]; then
# increment count.
((count++))
# extract new name.
local new_name="${target%.*}"."${extension}"
# Prepare status.
local status="[${count}/${total}] ${target} -> ${new_name}"
# Warning on no change.
if [[ "${target}" = "${new_name}" ]]; then
echo -e "${color_green}${status}: No change.${color_default}"
continue
fi
# rename target.
mv -- "${target}" "${new_name}" &> /dev/null
# show change.
echo -e "${color_default}${status}${color_default}"
else
# Increment count.
((count++))
# Report skip.
echo -e "${color_green}[${count}/${total}] ${target}: Skipping directory.${color_default}"
fi
done
}
# Change file's prefixes.
# Usage: name_prefix [OLD] [NEW] [FILES]
name_prefix()
{
local old="${1}" # Old prefix.
local new="${2}" # New prefix.
local targets=("${@:3}") # Target files.
local count=0 # Total files processed.
local total=$((${#}-2)) # Total files to process.
# All targets by default.
if [[ "${targets}" = "" ]]; then
targets=([^.]*)
total=${#targets[@]}
fi
# Process.
for target in "${targets[@]}"; do
# Increment counter.
((count++))
# Create new name.
local new_name="${new}${target#$old}"
# Prepare status.
local status="[${count}/${total}] ${target} -> ${new_name}"
# Warning on no change.
if [[ "${target}" = "${new_name}" ]]; then
echo -e "${color_green}${status}: No change.${color_default}"
continue
fi
# Rename.
mv -- "${target}" "${new_name}" &> /dev/null
# Show change.
echo -e "${color_default}${status}${color_default}"
done
}
# export for parallel.
export -f name name_hash name_hash_check name_ext