sairam + bash   27

directory based history bash profile
function mycd()
{
#if this directory is writable then write to directory-based history file
#otherwise write history in the usual home-based history file
tmpDir=$PWD
echo "#"`date '+%s'` >> $HISTFILE
echo $USER' has exited '$PWD' for '$@ >> $HISTFILE
builtin cd "$@" # do actual cd
if [ -w $PWD ]; then export HISTFILE="$PWD/.dir_bash_history"; touch $HISTFILE; chmod --silent 777 $HISTFILE;
else export HISTFILE="$HOME/.bash_history";
fi
echo "#"`date '+%s'` >> $HISTFILE
echo $USER' has entered '$PWD' from '$OLDPWD >> $HISTFILE

}
alias cd="mycd"
#initial shell opened
export HISTFILE="$PWD/.dir_bash_history"
#timestamp all history entries
export HISTTIMEFORMAT="%h/%d - %H:%M:%S "
export HISTCONTROL=ignoredups:erasedups
export HISTSIZE=1000000
export HISTFILESIZE=1000000
shopt -s histappend ## append, no clearouts
shopt -s histverify ## edit a recalled history line before executing
shopt -s histreedit ## reedit a history substitution line if it failed

## Save the history after each command finishes
## (and keep any existing PROMPT_COMMAND settings)
export PROMPT_COMMAND="history -a; history -c; history -r; $PROMPT_COMMAND"
bash  productivity 
april 2017 by sairam
groupon/shellot: Slim terminal realtime graphing tool
$ ssh webserver.mydomain.com "tail -f /var/log/httpd/access_log"\
| awk '/ "GET \/index.html / {print $9;fflush();}'
snippet  bash  cli 
september 2016 by sairam

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