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如何使 Linux 终端脱色？

tag-icon • tag-icon linux colors
如何使 Linux 终端脱色？

如何获得完全单声道的终端？最好来自环境变量或只是进行调整，以便所有终端程序都是单声道的。

我试过这个：

  1. export TERM=xterm-mono
  2. export LS_COLORS=""

检验其是否有效的测试是在网站上运行 w3m 并查看颜色代码是否仍在使用 - 它仍然是彩色的。

答案1

您可以使用选项或（单色显示模式）w3m关闭颜色。看来是-o color=false-Mtrue默认设置？

$ w3m -show-option | grep color
    -o color=<bool>                     Display with color
    -o basic_color=<color>              Color of normal character
    -o anchor_color=<color>             Color of anchor
    -o image_color=<color>              Color of image link
    -o form_color=<color>               Color of form
    -o mark_color=<color>               Color of mark
    -o bg_color=<color>                 Color of background
    -o active_style=<bool>              Enable coloring of active link
    -o active_color=<color>             Color of currently active link
    -o visited_anchor=<bool>            Use visited link color
    -o visited_color=<color>            Color of visited link

在 Debian 中，有几行根据、( ) 和 的存在/etc/skel/.bashrc来控制颜色。您的系统上可能有类似的东西。TERMforce_color_promptcolor_prompt/usr/bin/dircolors

# set a fancy prompt (non-color, unless we know we "want" color)
case "$TERM" in
    xterm-color|*-256color) color_prompt=yes;;
esac

# uncomment for a colored prompt, if the terminal has the capability; turned
# off by default to not distract the user: the focus in a terminal window
# should be on the output of commands, not on the prompt
#force_color_prompt=yes

if [ -n "$force_color_prompt" ]; then
    if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
        # We have color support; assume it's compliant with Ecma-48
        # (ISO/IEC-6429). (Lack of such support is extremely rare, and such
        # a case would tend to support setf rather than setaf.)
        color_prompt=yes
    else
        color_prompt=
    fi
fi

if [ "$color_prompt" = yes ]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
fi
unset color_prompt force_color_prompt

# If this is an xterm set the title to user@host:dir
case "$TERM" in
xterm*|rxvt*)
    PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
    ;;
*)
    ;;
esac

# enable color support of ls and also add handy aliases
if [ -x /usr/bin/dircolors ]; then
    test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
    alias ls='ls --color=auto'
    #alias dir='dir --color=auto'
    #alias vdir='vdir --color=auto'

    #alias grep='grep --color=auto'
    #alias fgrep='fgrep --color=auto'
    #alias egrep='egrep --color=auto'
fi

# colored GCC warnings and errors
#export GCC_COLORS='error=01;31:warning=01;35:note=01;36:caret=01;32:locus=01:quote=01'

TERM=xterm-mono除了 中的颜色之外，导出和删除上面的行似乎有效w3m。

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