NAME

       fish - the friendly interactive shell

SYNOPSIS

       fish [OPTIONS] [FILE [ARG ...]]
       fish [OPTIONS] [-c COMMAND [ARG ...]]

DESCRIPTION

       fish  is  a  command-line shell written mainly with interactive use in mind.  This page briefly describes
       the options for invoking fish.  The full manual is available in HTML  by  using  the  help  command  from
       inside  fish, and in the fish-doc(1) man page.  The tutorial is available as HTML via help tutorial or in
       man fish-tutorial.

       The following options are available:

       -c or --command=COMMAND
              Evaluate the specified commands instead  of  reading  from  the  commandline,  passing  additional
              positional arguments through $argv.

       -C or --init-command=COMMANDS
              Evaluate specified commands after reading the configuration but before executing command specified
              by -c or reading interactive input.

       -d or --debug=DEBUG_CATEGORIES
              Enables debug output and specify a pattern for matching debug categories.  See Debugging below for
              details.

       -o or --debug-output=DEBUG_FILE
              Specifies  a  file  path  to  receive the debug output, including categories and  fish_trace.  The
              default is stderr.

       -i or --interactive
              The shell is interactive.

       -l or --login
              Act as if invoked as a login shell.

       -N or --no-config
              Do not read configuration files.

       -n or --no-execute
              Do not execute any commands, only perform syntax checking.

       -p or --profile=PROFILE_FILE
              when fish exits, output timing information on all executed commands to the specified  file.   This
              excludes time spent starting up and reading the configuration.

       --profile-startup=PROFILE_FILE
              Will write timing for fish startup to specified file.

       -P or --private
              Enables private mode: fish will not access old or store new history.

       --print-rusage-self
              When fish exits, output stats from getrusage.

       --print-debug-categories
              Print all debug categories, and then exit.

       -v or --version
              Print version and exit.

       -f or --features=FEATURES
              Enables one or more comma-separated feature flags.

       The fish exit status is generally the exit status of the last foreground command.

DEBUGGING

       While  fish  provides  extensive  support  for  debugging  fish scripts, it is also possible to debug and
       instrument its internals.  Debugging can be enabled by passing the  --debug  option.   For  example,  the
       following  command  turns  on  debugging  for  background  IO  thread  events, in addition to the default
       categories, i.e. debug, error, warning, and warning-path:

          > fish --debug=iothread

       Available  categories  are  listed  by  fish  --print-debug-categories.  The  --debug  option  accepts  a
       comma-separated  list  of categories, and supports glob syntax.  The following command turns on debugging
       for complete, history, history-file, and profile-history, as well as the default categories:

          > fish --debug='complete,*history*'

       Debug messages output to stderr by default. Note that  if  fish_trace  is  set,  execution  tracing  also
       outputs to stderr by default. You can output to a file using the --debug-output option:

          > fish --debug='complete,*history*' --debug-output=/tmp/fish.log --init-command='set fish_trace on'

       These  options  can  also  be changed via the FISH_DEBUG and FISH_DEBUG_OUTPUT variables.  The categories
       enabled via --debug are added to the ones enabled by $FISH_DEBUG, so they can be  disabled  by  prefixing
       them with - (reader-*,-ast* enables reader debugging and disables ast debugging).

       The file given in --debug-output takes precedence over the file in FISH_DEBUG_OUTPUT.

COPYRIGHT

       2024, fish-shell developers