Add bash/zsh/fish init scripts, direct to them instead of copy

Author: rkdarst

init.bash.sh

@@ -0,0 +1,12 @@
+TAVATAR_LOG=~/.tavatar_history
+
+BASH_LOG=~/demos.out
+bash_log_commands () {
+    # https://superuser.com/questions/175799
+    [ -n "$COMP_LINE" ] && return  # do nothing if completing
+    # don't cause a preexec for $PROMPT_COMMAND
+    [[ "$PROMPT_COMMAND" =~ "$BASH_COMMAND" ]] && return
+    local this_command=`HISTTIMEFORMAT= history 1 | sed -e "s/^[ ]*[0-9]*[ ]*//"`;
+    echo "$this_command" >> "$TAVATAR_LOG"
+}
+trap 'bash_log_commands' DEBUG

init.fish.sh

@@ -0,0 +1,3 @@
+TAVATAR_LOG=~/.tavatar_history
+
+function cmd_log --on-event fish_preexec ; echo "$argv" >> "$TAVATAR_LOG"  ; end

init.zsh.sh

@@ -0,0 +1,3 @@
+TAVATAR_LOG=~/.tavatar_history
+
+preexec() { echo $1 >> "$TAVATAR_LOG" ; }