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# rename a section of a filename, i. e. example.1.{txt,conf,db} or 12345.1.{wav,ogg,mp3} and
# change the 1 to a 2 in the filename while preserving the rest of it.
$ zmv -n '(* .)(<->)(.[ ^ . ] #)' '$1$(($2+1))$3' # would rename x.0001.y to x.2.y.
$ zmv -n '(* .0#)(<->)(.[ ^ . ] #)' '$1$(($2+1))$3'
# Rename files to lower case
$ zmv '* ' '${(L)f}'
# serially all files (foo.foo > 1.foo, fnord.foo > 2.foo, ..)
$ autoload zmv
$ ls *
1.c asd.foo bla.foo fnord.foo foo.fnord foo.foo
$ c=1 zmv '* .foo' '$((c++)).foo'
$ ls *
1.c 1.foo 2.foo 3.foo 4.foo foo.fnord
# Rename "file.with.many.dots.txt" by substituting dots (exept for the last
# one!) with a space
$ touch {1..20}-file.with.many.dots.txt
$ zmv '(* .* )(.* )' '${1//./ }$2'
# Remove the first 4 chars from a filename
$ zmv -n '* ' '$f[ 5,-1] ' # NOTE: The "5" is NOT a mistake in writing!
# Rename names of all files under the current Dir to lower case, but keep Dir names as-is.
$ zmv -Qv '(** /)(* )(.D)' '$1${(L)2}'
# replace all 4th character, which is "1", with "2" and so on
$ autoload -U zmv
$ zmv '(???)1(???[ 1-4] .txt)' '${1}2${2}'
# Remove the first 15 characters from a string
$ touch 111111111111111{a-z}
$ autoload zmv
$ zmv '* ' '$f[ 16,-1] '
# Replace spaces (any number of them) with a single dash in file names
$ autload zmv
$ zmv -n '(** /)(* * )' '$1${2//( #-## #| ##)/-}'
# or - with Bash
$ find . -depth -name '* * ' -exec bash -c '
> shopt -s extglob
> file=$1
> dir=${file%/* }
> name=${file##* /}
> newname=${name//* ([ -] ) * ([ -] )/-}
> mv -i -- "$file" "$Dir/$newname"' {} {} \;
# Clean up file names and remove special characters
$ autoload zmv
$ zmv -n '(** /)(* )' '$1${2//[ ^ A-Za-z0-9._ ] /_ }'
# Add * .py to a bunch of python scripts in a directory (some of them end in * .py and give them
# all a proper extension
$ autoload zmv
$ zmv -n '(** /)(con* )(#qe,file $REPLY | grep "python script",)' '$1$2.py'
# lowercase all extensions (i. e. * .JPG) incl. subfolders
$ autoload zmv
$ zmv '(** /)(* ).(#i)jpg' '$1$2.jpg'
# Or - without Zsh
$ find Dir -name '* .[ jJ] [ pP ] [ gG] ' -print | while read f
> do
> case $f in
> * .jpg) ;
> * ) mv "$f" "${f%.* }.jpg" ;
> esac
> done
# remove leading zeros from file extension
$ autoload zmv
$ ls
filename.001 filename.003 filename.005 filename.007 filename.009
filename.002 filename.004 filename.006 filename.008 filename.010
$ zmv '(filename.)0##(?* )' '$1$2'
$ ls
filename.1 filename.10 filename.2 filename.3 filename.4 filename.5 filename.6 ...
# renumber files.
$ autoload zmv
$ ls *
foo_10.jpg foo_2.jpg foo_3.jpg foo_4.jpg foo_5.jpg foo_6.jpg foo_7.jpg foo_8.jpg foo_9.jpg
$ zmv -fQ 'foo_ (<0->).jpg(.nOn)' 'foo_ $(($1 + 1)).jpg'
$ ls *
foo_10.jpg foo_11.jpg foo_3.jpg foo_4.jpg foo_5.jpg foo_6.jpg foo_7.jpg foo_8.jpg foo_9.jpg
# adding leading zeros to a filename (1.jpg -> 001.jpg, ..
$ autoload zmv
$ zmv '(<1->).jpg' '${(l:3::0:)1}.jpg'
# See above, but now only files with a filename >= 30 chars
$ autoload zmv
$ c=1 zmv "${(l:30-4::?:)}* .foo" '$((c++)).foo'
# Replace spaces in filenames with a underline
$ autoload zmv
$ zmv '* * ' '$f: gs / /_ '
# Change the suffix from * .sh to * .pl
$ autoload zmv
$ zmv -W '* .sh' '* .pl'
# Add a "".txt" extension to all the files within ${HOME}
# ``-.'' is to only rename regular files or symlinks to regular files,
# ``D'' is to also rename hidden files (dotfiles))
$ autoload zmv
$ zmv -Q '/home/** /* (D-.)' '$f.txt'
# Or to only rename files that don't have an extension:
$ zmv -Q '/home/** /^?* .* (D-.)' '$f.txt'
# Recursively change filenames with characters ? [ ] / = + < > ; : " , - *
$ autoload zmv
$ chars='[ ] [ ?=+<>;",*- ] '
$ zmv '(** /)(* )' '$1${2//$~ chars/%}'
# Removing single quote from filenames (recursively)
$ autoload zmv
$ zmv -Q "(** /)(* '* )(D)" "\$ 1\$ {2//'/}"
# When a new file arrives (named file.txt) rename all files in order to get (e. g.
# file119.txt becomes file120.txt, file118.txt becomes file119.txt and so on ending
# with file.txt becoming file1.txt
$ autoload zmv
$ zmv -fQ 'file([ 0-9] ##).txt(On)' 'file$(($1 + 1)).txt'
# lowercase/uppercase all files/directories
$ autoload zmv
$ zmv '(* )' '${(L)1}' # lowercase
$ zmv '(* )' '${(U)1}' # uppercase
# Remove the suffix * .c from all C-Files
$ autoload zmv
$ zmv '(* ).c' '$1'
# Uppercase only the first letter of all * .mp3 - files
$ autoload zmv
$ zmv '([ a-z] )(* ).mp3' '${(C)1}$2.mp3'
# Copy the target ` README' in same directory as each ` Makefile'
$ autoload zmv
$ zmv -C '(** /)Makefile' '${1}README'
# Removing single quote from filenames (recursively)
$ autoload zmv
$ zmv -Q "(** /)(* '* )(D)" "\$ 1\$ {2//'/}"
# Rename pic1.jpg, pic2.jpg, .. to pic0001.jpg, pic0002.jpg, ..
$ autoload zmv
$ zmv 'pic(* ).jpg' 'pic${(l:4::0:)1}.jpg'
$ zmv '(** /)pic(* ).jpg' '$1/pic${(l:4::0:)2}.jpg' # recursively
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