renameMultipleFilesOnLinux

# ls
# tmp_Lucifer.S01E01.Die.teuflische.Auszeit.GERMAN.DUBBED.AC3.720p.BluRay.x264-w00t.mkv
# tmp_Lucifer.S01E02.Der.Teufel.in.Therapie.GERMAN.DUBBED.AC3.720p.BluRay.x264-w00t.mkv


# 1. example (remove string):
# you want to remove "tmp_" in all filenames:
for f in tmp_*; do mv "$f" "$(echo "$f" | sed 's/tmp_//g')"; done
# OR
for f in tmp_*.mkv; do mv -i "${f}" "${f/tmp_/}"; done
#
# ls
# Lucifer.S01E01.Die.teuflische.Auszeit.GERMAN.DUBBED.AC3.720p.BluRay.x264-w00t.mkv
# Lucifer.S01E02.Der.Teufel.in.Therapie.GERMAN.DUBBED.AC3.720p.BluRay.x264-w00t.mkv


# 2. example (remove string):
# you want to remove "GERMAN.DUBBED.AC3.720p.BluRay.x264-w00t." in all filenames:
for f in Lucifer*; do mv "$f" "$(echo "$f" | sed 's/GERMAN.DUBBED.AC3.720p.BluRay.x264-w00t.//g')"; done
# OR
for f in Lucifer*.mkv; do mv -i "${f}" "${f/GERMAN.DUBBED.AC3.720p.BluRay.x264-w00t./}"; done
#
# ls
# Lucifer.S01E01.Die.teuflische.Auszeit.mkv
# Lucifer.S01E02.Der.Teufel.in.Therapie.mkv


# 3. example (replace character/string):
# you want to replace all "." with " " in all filenames:
for f in Lucifer*; do mv "$f" "$(echo "$f" | sed 's/\./\ /g')"; done
# OR
for f in Lucifer*"."*; do mv -i "$f" "${f//./ }"; done
#
# ls
# Lucifer S01E01 Die teuflische Auszeit mkv
# Lucifer S01E02 Der Teufel in Therapie mkv


# 4. example (replace character/string):
# you want to insert a "." in front of "mkv" in all filenames:
for f in Lucifer*; do mv "$f" "$(echo "$f" | sed 's/\ mkv/\.mkv/g')"; done
# OR
for f in Lucifer*; do mv -i "${f}" "${f/ mkv/.mkv}"; done
#
# ls
# Lucifer S01E01 Die teuflische Auszeit.mkv
# Lucifer S01E02 Der Teufel in Therapie.mkv


# 5. example (insert at position):
# you want to insert a " - " in front of and after "S01Exx" in all filenames:
for f in Lucifer*; do mv "$f" "$(echo "$f" | sed 's/^\(.\{14\}\)/\1\ \-/')"; done
for f in Lucifer*; do mv "$f" "$(echo "$f" | sed 's/^\(.\{7\}\)/\1\ \-/')"; done
# OR (insert before and after match (1))
for f in Lucifer*; do mv "$f" "$(echo "$f" | sed 's/\(S01E[0-9][0-9]\)/\-\ \1\ -/')"; done
#
# ls
# Lucifer - S01E01 - Die teuflische Auszeit.mkv
# Lucifer - S01E02 - Der Teufel in Therapie.mkv