convert-ly(1)
            manual page for convert-ly 2.18.2
        
      
        
SYNOPSIS
convert-ly
[OPTION]... FILE
DESCRIPTION
Update LilyPond input to newer version.  By default, update from the
version taken from the \version command, to the current LilyPond version.
If FILE is `-', read from standard input.
OPTIONS
- --version
- 
show version number and exit
- -h, --help
- 
show this help and exit
- -f, --from=VERSION
- 
start from VERSION [default: \version found in file]
- -e, --edit
- 
edit in place
- -l, --loglevel=LOGLEVEL
- 
Print log messages according to LOGLEVEL (NONE, ERROR,
WARNING, PROGRESS (default), DEBUG)
- -n, --no-version
- 
do not add \version command if missing
- -c, --current-version
- 
force updating \version number to 2.18.2
- -d, --diff-version-update
- 
only update \version number if file is modified
- -s, --show-rules
- 
show rules [default: -f 0, -t 2.18.2]
- -t, --to=VERSION
- 
convert to VERSION [default: 2.18.2]
- -b, --backup-numbered
- 
make a numbered backup [default: filename.ext~]
- -w, --warranty
- 
show warranty and copyright
 
EXAMPLES
- 
$ convert-ly -e old.ly
 $ convert-ly --from=2.3.28 --to=2.5.21 foobar.ly > foobar-new.ly