自定义adb提示

Question

如何在shell打开提示之前减少打印路径的长度adb shell？我的问题是它太长了以至于我再也看不到我的命令了,因为它不会自动断行.我更喜欢当前目录的名称或抽象代码示例.

sh -v 在Android手机上给了我

# Copyright (c) 2010
#   Thorsten Glaser <t.glaser@tarent.de>
# This file is provided under the same terms as mksh.
#-
# Minimal /system/etc/mkshrc for Android

: ${TERM:=vt100} ${HOME:=/data} ${MKSH:=/system/bin/sh} ${HOSTNAME:=android}
: ${SHELL:=$MKSH} ${USER:=$(typeset x=$(id); x=${x#*\(}; print -r -- ${x%%\)*})}
if (( USER_ID )); then PS1='$'; else PS1='#'; fi
function precmd {
    typeset e=$?

    (( e )) && print -n "$e|"
}
PS1='$(precmd)$USER@$HOSTNAME:${PWD:-?} '"$PS1 "
export HOME HOSTNAME MKSH PS1 SHELL TERM USER
alias l='ls'
alias la='l -a'
alias ll='l -l'
alias lo='l -a -l'

for p in ~/.bin; do
    [[ -d $p/. ]] || continue
    [[ :$PATH: = *:$p:* ]] || PATH=$p:$PATH
done

unset p

: place customisations above this line

Answer 1

您可以使用以下行将 PS1 提示符更改为较小的内容：

PS1="> "

但最好用以下方法来增加窗口的宽度：

COLUMNS=150