name : add name_prefix & bugfixes.

.README.md

@@ -542,9 +542,10 @@ Command|Description
 `name [FILES]`|Replace all non-alphanumeric characters in file with underscores.
 `name_hash [FILES]`|Replace all file names with hashes, keep extension.
 `name_hash_check [FILES]`|Check all file hashes.
-`name_series <SEASON>`|Rename files to Jellyfin's show format: `Episode S01E01.mkv`.
+`name_series <SEASON> [FILES]`|Rename files to Jellyfin's show format: `Episode S01E01.mkv`.
-`name_manga <SEASON>`|Rename files to Kavita's manga format: `Name Vol.1 Ch.01.cbr`.
+`name_manga <SEASON> [FILES]`|Rename files to Kavita's manga format: `Name Vol.1 Ch.01.cbr`.
 `name_ext <EXTENSION> [FILES]`|Change file extensions.
+`name_prefix [OLD] [NEW] [FILES]`|Change file prefix.
 
 ## Ncdu.
 

.linux/bash/module/name.sh

@@ -68,9 +68,8 @@ name_hash()
 
   # process.
   for target in "${targets[@]}"; do
-    # process only targets.
+    # process only files.
-    [[ -f "${target}" ]] || continue
+    if [[ -f "${target}" ]]; then
-
       # increment count.
       ((count++))
 
@@ -100,6 +99,13 @@ name_hash()
 
       # show change.
       echo -e "${status}"
+    else
+      # Increment count.
+      ((count++))
+
+      # Report skip.
+      echo -e "${color_yellow}[${count}/${total}] ${target}: skipping directory.${color_default}"
+    fi
   done
 }
 
@@ -115,12 +121,12 @@ name_hash_check()
   # all targets by default.
   if [[ "${targets}" = "" ]]; then
     targets=([^.]*)
-    total=${#target[@]}
+    total=${#targets[@]}
   fi
 
   # process.
   for target in "${targets[@]}"; do
-    # process only targets.
+    # process only files.
     if [[ -f "${target}" ]]; then
       # increment count.
       ((count++))
@@ -139,6 +145,12 @@ name_hash_check()
         echo -e "${color_red}${status}: failed.${color_default}"
         ((failed++))
       fi
+    else
+      # Increment count.
+      ((count++))
+
+      # Report skip.
+      echo -e "${color_yellow}[${count}/${total}] ${target}: skipping directory.${color_default}"
     fi
   done
 
@@ -153,13 +165,14 @@ name_hash_check()
 }
 
 # rename files for Jellyfin series, i.e. Episode S01E01.mkv
-# usage: name_series <SEASON>
+# usage: name_series <SEASON> [FILES]
 name_series()
 {
-  local season="${1}"    # season number.
+  local season="${1}"      # Season number.
-  local targets="${@:2}" # target files.
+  local targets=("${@:2}") # Target files.
-  local count=0          # processed counter.
+  local count=0            # Processed counter.
-  local total=${#}       # total to process.
+  local episode=0          # Current episode count.
+  local total=${#}         # Total to process.
 
   # error when no season number specified.
   if [[ "${season}" = "" ]]; then
@@ -179,9 +192,10 @@ name_series()
     if [[ -f "${target}" ]]; then
       # increment episode number.
       ((count++))
+      ((episode++))
 
       # extract new name.
-      local new_name="Episode S${season}E$(printf %02d ${count}).${target##*.}"
+      local new_name="Episode S${season}E$(printf %02d ${episode}).${target##*.}"
 
       # prepare status.
       local status="[${count}/${total}] ${target} -> ${new_name}"
@@ -189,19 +203,26 @@ name_series()
       # rename target.
       mv -- "${target}" "${new_name}" &> /dev/null
       echo -e "${status}"
+    else
+      # Increment count.
+      ((count++))
+
+      # Report skip.
+      echo -e "${color_yellow}[${count}/${total}] ${target}: skipping directory.${color_default}"
     fi
   done
 }
 
 # rename files for Kavita manga format.
-# usage: name_manga <SEASON>
+# usage: name_manga <SEASON> [FILES]
 name_manga()
 {
-  local season="${1}"      # season number.
+  local season="${1}"      # Season number.
-  local targets="${@:2}"   # target files.
+  local targets=("${@:2}") # Target files.
-  local count=0            # processed counter.
+  local count=0            # Processed counter.
-  local total=${#}         # total to process.
+  local episode=0          # Current episode count.
-  local manga="${PWD##*/}" # manga name.
+  local total=${#}         # Total to process.
+  local manga="${PWD##*/}" # Manga name.
 
   # error when no season number specified.
   if [[ "${season}" = "" ]]; then
@@ -221,9 +242,10 @@ name_manga()
     if [[ -f "${target}" ]]; then
       # increment episode number.
       ((count++))
+      ((episode++))
 
       # extract new name.
-      local new_name="${manga} Vol.${season} Ch.${count}.${target##*.}"
+      local new_name="${manga} Vol.${season} Ch.${episode}.${target##*.}"
 
       # prepare status.
       local status="[${count}/${total}] ${target} -> ${new_name}"
@@ -231,6 +253,12 @@ name_manga()
       # rename target.
       mv -- "${target}" "${new_name}" &> /dev/null
       echo -e "${status}"
+    else
+      # Increment count.
+      ((count++))
+
+      # Report skip.
+      echo -e "${color_yellow}[${count}/${total}] ${target}: skipping directory.${color_default}"
     fi
   done
 }
@@ -240,16 +268,13 @@ name_manga()
 name_ext()
 {
   local extension="${1}"   # new extension.
-  local targets="${@:2}" # target file(s).
+  local targets=("${@:2}") # target file(s).
   local count=0            # processed counter.
-  local total=${#}       # total to process.
+  local total=$((${#}-1))  # total to process.
-
-  # remove extension name from total files.
-  ((total--)) 
 
   # error when no new extension specified.
   if [[ "${extension}" = "" ]]; then
-    echo "usage: name_ext <EXTENSION> [targets]"
+    echo "usage: name_ext <EXTENSION> [FILES]"
     return 1
   fi
 
@@ -269,14 +294,58 @@ name_ext()
       # extract new name.
       local new_name="${target%.*}"."${extension}"
 
+      # Prepare status.
+      local status="[${count}/${total}] ${target} -> ${new_name}"
+
       # rename target.
       mv -- "${target}" "${new_name}" &> /dev/null
 
       # show change.
-      echo "[${count}/${total}] ${target} -> ${new_name}"
+      echo "${status}"
+    else
+      # Increment count.
+      ((count++))
+
+      # Report skip.
+      echo -e "${color_yellow}[${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} -> ${new_name}"
+    
+    # Rename.
+    mv -- "${target}" "${new_name}" &> /dev/null
+
+    # Show change.
+    echo "${status}"
+  done
+}
+
 # export for parallel.
 export -f name name_hash name_hash_check name_ext