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我有我的bash提示符,如下面的脚本定义 -有时光标跳到行首在bash提示符
#!/bin/bash
if tput setaf 1 &> /dev/null; then
tput sgr0; # reset colors
bold=$(tput bold);
reset=$(tput sgr0);
black=$(tput setaf 235)
red=$(tput setaf 1)
green=$(tput setaf 142)
yellow=$(tput setaf 214)
blue=$(tput setaf 66)
purple=$(tput setaf 175)
cyan=$(tput setaf 37)
gray=$(tput setaf 246)
white=$(tput setaf 223)
orange=$(tput setaf 208)
else
bold='';
reset="\e[0m";
black="\e[1;30m";
blue="\e[1;34m";
cyan="\e[1;36m";
green="\e[1;32m";
orange="\e[1;33m";
purple="\e[1;35m";
red="\e[1;31m";
violet="\e[1;35m";
white="\e[1;37m";
yellow="\e[1;33m";
fi;
# Highlight the user name when logged in as root.
if [[ "$USER" == "root" ]]; then
userStyle="$red";
else
userStyle="$orange";
fi;
# Highlight the hostname when connected via SSH.
if [[ "$SSH_TTY" ]]; then
hostStyle="$green";
else
hostStyle="$gray";
fi;
dirStyle="$cyan"
function prompt_command {
ret_code=$?
# Are we running in a shell invoked from Vim?
if [[ "$VIM" ]]; then
vim="(Vim) "
else
vim=""
fi
# Did last command return non-zero value?
if [ "$ret_code" != 0 ]; then
ret_str="\[$red\]$ret_code>"
else
ret_str="\[$green\]$"
fi
PS1="\[$userStyle\]\u \[$reset\]at \[$hostStyle\]\H \[$reset\]in \[$dirStyle\]\w\n\[$yellow\]$vim$ret_str\[$reset\] "
}
export PROMPT_COMMAND=prompt_command
export PS2="\[$blue\]continue -> \[$reset\]"
它很简单,只需用户名,主机名,当前目录和几个变量 - 一个检查如果从vim调用shell,而其他则是最后一个命令的返回码。
有时光标会跳到行首,当我尝试完成标签页时。在发生这种情况时,我一直无法找到模式。
这是提示的样子 -
rogandhi at sjc-ads-253 in ~/tools
$
rogandhi at sjc-ads-253 in ~/tools
$ adsf
-bash: adsf: command not found
rogandhi at sjc-ads-253 in ~/tools
127>
貌似这个当外壳由VIM调用 -
rogandhi at sjc-ads-253 in ~/tools
(Vim) $
rogandhi at sjc-ads-253 in ~/tools
(Vim) $ asdf
bash: asdf: command not found
rogandhi at sjc-ads-253 in ~/tools
(Vim) 127>
以下是declare -p PS1
rogandhi at sjc-ads-253 in ~/tools
$ declare -p PS1
declare -- PS1="\\[\\]\\u \\[\\]at \\[\\]\\H \\[\\]in \\[\\]\\w\\n\\[\\]\\[\\]\$\\[\\] "
任何输出想法?我如何去调试这种行为?
为什么周围的换行有括号? –
当您设置'PS1 =“>>>”'时,是否会发生这种情况? – hek2mgl
@ IgnacioVazquez-Abrams当我在'\ n'周围添加括号时,光标跳转发生得不那么频繁。 – ronakg