ZSH only displaying last 16 or so commands with history. HISTSIZE & SAVEHIST are 500

historyzsh

In ZSH when I type history I'm only displayed the last 16 or so commands. I would like history to display all the existing commands in the history file.

When I look in my .zsh_history (my history file) I see all the 500 previous commands that should be there.

I looked in the man page, but I don't see anything that controls how many of the history items are listed. I also looked in my, env but don't see anything that could be controlling this.

Any help would be appreciated! thanks.

Best Answer

history 1 (or history 1 -1) will display all entries from 1 (first entry) to -1 (last entry). You can also use history 1 100 to display the first 100 entries or history -100 -1 to display the last 100 etc.

For more information see the section on fc in man zshbuiltins. (history is equivalent to fc -l).

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History accepts a range in zsh entries as [first] [last] arguments, so to get them all run history 0.

To get the zsh help (at least with mind) type Alt-h over the history command and this will bring up the help for built-ins.

Command history in zsh

You've probably got INC_APPEND_HISTORY set.

The INC_APPEND_HISTORY option, from man zshoptions:

This options works like APPEND_HISTORY except that new history lines are added to the $HISTFILE incrementally (as soon as they are entered), rather than waiting until the shell exits.

The option that you want is APPEND_HISTORY:

APPEND_HISTORY If this is set, zsh sessions will append their history list to the history file, rather than replace it. Thus, multiple parallel zsh sessions will all have the new entries from their history lists added to the history file, in the order that they exit. The file will still be periodically re-written to trim it when the number of lines grows 20% beyond the value specified by $SAVEHIST (see also the HIST SAVE BY COPY option).

You can read about these options in the man zshoptions, man zshall or online here.

To set them, in your ~/.zshrc or similar, you should have:

setopt APPEND_HISTORY

Be aware that, if you're using oh-my-zsh by default, I believe, INC_APPEND_HISTORY is used. I'm not 100% sure which way around things get loaded, but if the oh-my-zsh option overrides the one you've set in ~/.zshrc, you can fiddle with it in ~/.oh-my-zsh/lib/history.zsh

Best Answer

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ZSH – output whole history

Command history in zsh

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