bash config

.bashrc echo - old

# wget https://gist.github.com/auwsom/804b4470d22ae00d113cbf5b4eaba73c/raw or https://bit.ly/3rdK8hL

echo HISTCONTROL=ignorespace:ignoredups:erasedups >>~/.bashrc   # no duplicate entries
echo shopt -s histverify >>~/.bashrc   # confirm !number commands
echo set -o noclobber >>~/.bashrc  ## use >| to force redirection even with noclobber
echo "bind '\",,\": \"\$\"'">>~/.bashrc
echo "bind '\",l\": \"\$_\"'">>~/.bashrc
echo "bind '\",h\": \"--help\"'">>~/.bashrc
echo "alias vimbash='vim ~/.bashrc'">>~/.bashrc
echo "alias rebash='source ~/.bashrc'">>~/.bashrc
echo "export B=~/.bashrc">>~/.bashrc
echo "alias rm='rm -I'">>~/.bashrc
echo "alias h='history'">>~/.bashrc
echo "alias hh='history | tail -30'">>~/.bashrc
echo "alias rb='source ~/.bashrc'">>~/.bashrc
echo "alias a='alias'">>~/.bashrc
echo "alias b='bg 1'">>~/.bashrc
echo "alias c='cat'">>~/.bashrc
echo "alias up='cd ..'">>~/.bashrc
echo "alias cp='cp -r'">>~/.bashrc
echo "alias ff='fg 1'">>~/.bashrc
echo "alias e='echo'">>~/.bashrc
echo "alias f='locate -l'">>~/.bashrc
echo "alias fh='find . -iname'">>~/.bashrc
echo "alias fr='find / -iname'">>~/.bashrc
echo "alias g='grep'">>~/.bashrc
echo "alias i='ifconfig'">>~/.bashrc
echo "alias h='history'">>~/.bashrc
echo "alias hd='history -d -10--1'">>~/.bashrc
echo "export hp='--help'">>~/.bashrc
echo "alias j='jobs'">>~/.bashrc
echo "alias k='kill'">>~/.bashrc
echo "alias ls='ls -F'">>~/.bashrc
echo "alias la='ls -A'">>~/.bashrc
echo "alias ll='ls -alF'">>~/.bashrc
echo "alias kk='kill %1'">>~/.bashrc
echo "alias k3='kill -TERM %1'">>~/.bashrc
echo "alias m='mkdir'">>~/.bashrc
echo "alias mo='more'">>~/.bashrc
echo "alias n='touch'">>~/.bashrc
echo "alias o='set -o history'">>~/.bashrc  # history ON
echo "alias p='pushd'">>~/.bashrc
echo "alias pe='printenv'">>~/.bashrc
echo "alias ph='popd'">>~/.bashrc
echo "alias q='\helpany'">>~/.bashrc
echo "alias rmd='rmdir'">>~/.bashrc
echo "alias s='sudo'">>~/.bashrc
echo "alias t='top'">>~/.bashrc
echo "alias u='users'">>~/.bashrc
echo "alias v='ls -l'">>~/.bashrc
echo "alias x='set +o history'">>~/.bashrc  # history OFF
# echo "alias y='reboot -t 120'">>~/.bashrc
# echo "alias z='shutdown -t 300'">>~/.bashrc
echo "function hd { for i in \$(seq 1 \$1); do history -d \$((\$HISTCMD-1)); done; }">>~/.bashrc
echo "function hdn { history -d \$1; }">>~/.bashrc
echo "function helpany { \$1 --help || help \$1 || man \$1 || info \$1; }">>~/.bashrc
echo "function rnm { mv \$1 \$2; }">>~/.bashrc
echo "function sudov { while true; do sudo -v; sleep 60; done; }" >> ~/.bashrc
echo "export l='\$_'">>~/.bashrc
source ~/.bashrc

## use this if .bashrc is overwritten accidentally with '>': /bin/cp /etc/skel/.bashrc ~/
# list commands: compgen -c
# list functions: declare -F, expand function, use 'type'
## You can press Ctrl-Alt-e to perform the readline function shell-expand-line
#echo "alias f1='function(){ps -elf | grep "$1" | grep -v grep}'">>~/.bashrc
#f='find . \( -iname '*jpeg' -o -iname '*jpg' \) -type f -mtime -7'
#find /var/log -size +1G
#cp /usr/share/zoneinfo/US/Pacific /etc/localtime
#shopt -s expand_aliases for bash scripts
#didnt use awk, df, du, eval, exec, expr, export , lsblk, lsof, paste (cat for columns), passwd, ps, pv, reboot, sort,
# unalias, w, watch, tac, (, ((. [, [[, https://ss64.com/bash/
# https://superuser.com/questions/247770/how-to-expand-aliases-inline-in-bash
# ``, $()  substitution, (command) subshell, ((condition)) arithmetic, [condition] test
# ignore alias, use '\' with no space
# You can press Ctrl-Alt-e to perform the readline function shell-expand-line


:'
wget -O ~/.vim/plugin/github.vim https://raw.githubusercontent.com/acarapetis/vim-colors-github/master/colors/github.vim 
wget -O ~/.vim/plugin/gruvbox.vim https://raw.githubusercontent.com/morhetz/gruvbox/master/colors/gruvbox.vim
:source %
:PluginInstall
'

:'
cd ~, cd -, cd .., |,
compgen -a # will list all the aliases you could run.
compgen -b # will list all the built-ins you could run.
compgen -c # will list all the commands you could run.
compgen -k # will list all the keywords you could run.
compgen -A function # will list all the functions you could run.
compgen -A function -abck # will list all the above in one go.
'
: <<'COMMENT'
#builtins: .	:	[	`alias	`bg	bind	break	builtin	caller	cd	command	compgen	complete	compopt	continue	declare	dirs	disown	echo	enable	eval	exec	`exit	export	false	fc	`fg	getopts	hash	`help	`history	`jobs	`kill	let	local	logout	mapfile	popd	printf	pushd	pwd	read	readarray	readonly	return	set	shift	shopt	source	suspend	test	times	trap	true	type	typeset	ulimit	umask	unalias	unset	wait
#keywords: if	then	else	elif	fi	case	esac	for	select	while	until	do	done	in	function	time	{	}	!	[[	]]	coproc

awk stands for Aho, Weinberger, Kernighan does Find and Replace text, database sort/validate/index
https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_05_02
$1, $2, $3, ... are the positional parameters.
"$@" is an array-like construct of all positional parameters, {$1, $2, $3 ...}.
"$*" is the IFS expansion of all positional parameters, $1 $2 $3 ....
$# is the number of positional parameters.
$- current options set for the shell.
$$ pid of the current shell (not subshell).
$_ most recent parameter (or the abs path of the command to start the current shell immediately after startup).
$IFS is the (input) field separator.
$? is the most recent foreground pipeline exit status.
$! is the PID of the most recent background command.
$0 is the name of the shell or shell script.
https://www.gnu.org/software/bash/manual/html_node/Variable-Index.html#Variable-Index
https://bash.cyberciti.biz/guide/Rules_for_Naming_variable_name
https://www.tldp.org/LDP/abs/html/special-chars.html
COMMENT