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helm-shell-history.el

Introduction

helm-shell-history is a helm frontend to bash history.

It comes with a fast c parser which you can compile by just running make (make test runs its tests). You can configure it to use the fast parser by setting helm-shell-history-fast-parser to point to the binary. When the fast binary is not configured, it falls back on using the history shell built-in to get the candidates.

Candidates are presented in recency order. The completion action is to insert the selected command at the end of the buffer

Helm Shell GIF

Requirements

  • Emacs 25.3 or higher
  • Helm 1.9.9 or higher

Example Installation

mkdir -p ~/.emacs.d/lisp/helm-shell-history
git clone https://github.com/PalaceChan/helm-shell-history.git ~/.emacs.d/lisp/helm-shell-history

#to unlock much faster parsing of your history
(cd ~/.emacs.d/lisp/helm-shell-history/src && make)

Example Configuration

A minimal configuration:

  (use-package helm-shell-history
    :load-path "~/.emacs.d/lisp/helm-shell-history/elisp"
    :after term
    :config
    (define-key term-mode-map (kbd "M-r") 'helm-shell-history))

A much faster (recommended) configuration:

  (use-package helm-shell-history
    :load-path "~/.emacs.d/lisp/helm-shell-history/elisp"
    :after term
    :config
    (setq helm-shell-history-fast-parser "~/.emacs.d/lisp/helm-shell-history/src/parse_history")
    (define-key term-mode-map (kbd "M-r") 'helm-shell-history))

Customize Variables

helm-shell-history-file (Default ~/.bash_history)

History file to use

helm-shell-history-time-format (Default %Y%m%d %T)

Date/timestamp prefix to use when displaying candidates. If you override this in a way that alters the count of displayed prefix tokens make sure to also update helm-shell-history-prefix-tokens

helm-shell-history-prefix-tokens (Default 3)

Tokens to skip when inserting selected command (the default of 3 corresponds to the default command number, date, and time)

helm-shell-history-fuzzy-match (Default nil)

Set to t if you want fuzzy matching of candidates.

helm-shell-history-candidate-limit (Default 99999)

Limit the number of candidates to this number of most recent shell commands.

helm-shell-history-fast-parser (Default "")

Point to the compiled binary for the fast parsing to unlock much faster parsing