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[英]How do I remove the curly bracket in my output of dictionary and replace with output i prefer?
[英]How do I output the current history event number (%! or %h) -1 in my ZSH prompt?
在我的ZSH提示符下,我希望能夠輸出當前歷史記錄事件編號( %!
或%h
)-1
如果當前歷史事件編號為!256,我想將其減去1,然后在提示符下輸出結果(即!255)。
這是現在的樣子以及我希望它的樣子:
以下是我當前的ZSH主題(與該問題有關的代碼位於previous_history_event_number()函數中,該函數從return_code_enabled =聲明觸發):
# ------------------------------------------------------------------------------
# FILE: hced.zsh-theme
# DESCRIPTION: oh-my-zsh theme file.
# (Credits to authors of blinks.zsh-theme and dieter.zsh-theme
# from which themes I've taken useful bits.)
# AUTHOR: hced
# VERSION: 0.0.1
# SCREENSHOT:
# ------------------------------------------------------------------------------
function _prompt_char() {
if $(git rev-parse --is-inside-work-tree >/dev/null 2>&1); then
echo "%{%F{blue}%}±%{%f%k%b%}"
else
echo ' '
fi
}
ZSH_THEME_GIT_PROMPT_PREFIX=" [%{%B%F{blue}%}"
ZSH_THEME_GIT_PROMPT_SUFFIX="%{%f%k%b%K{black}%B%F{green}%}]"
ZSH_THEME_GIT_PROMPT_DIRTY=" %{%F{red}%}*%{%f%k%b%}"
ZSH_THEME_GIT_PROMPT_CLEAN=""
PROMPT='%{%f%k%b%}
%{%K{black}%B%F{green}%}%n%{%B%F{blue}%}@%{%B%F{cyan}%}%m%{%B%F{green}%} %{%b%F{yellow}%K{black}%}%~%{%B%F{green}%}$(git_prompt_info)%E%{%f%k%b%}
%{%K{black}%}$(_prompt_char)%{%K{black}%} %#%{%f%k%b%} '
#RPROMPT='!%{%B%F{cyan}%}%!%{%f%k%b%}'
function previous_history_event_number () {
prev_hist_num=("%!"-1)
declare -i prev_hist_num
echo "$prev_hist_num gave exit code: "
}
# elaborate exitcode on the right when >0
return_code_enabled="%(?..%{$fg[red]%}$(previous_history_event_number)%?%{$reset_color%})"
return_code_disabled=
return_code=$return_code_enabled
RPS1='${return_code} !%{%B%F{cyan}%}%!%{%f%k%b%}'
function accept-line-or-clear-warning () {
if [[ -z $BUFFER ]]; then
time=$time_disabled
return_code=$return_code_disabled
else
time=$time_enabled
return_code=$return_code_enabled
fi
zle accept-line
}
zle -N accept-line-or-clear-warning
bindkey '^M' accept-line-or-clear-warning
免責聲明:我不是程序員,所以previous_history_event_number ()
函數中的代碼現在非常(非常)毫無頭緒。
如果在添加%!
時顯示當前歷史記錄事件號%!
提示中的原子,然后可以使用(%)
修飾符將其放入變量中:
V='%!'
integer HISTORY_EVENT_NUMBER=${(%)V}-1
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