diff --git a/artix_face b/artix_face deleted file mode 100644 index eb9b9be2..00000000 Binary files a/artix_face and /dev/null differ diff --git a/bashrc_laptop.txt b/bashrc_laptop.txt deleted file mode 100644 index a1e5f209..00000000 --- a/bashrc_laptop.txt +++ /dev/null @@ -1,240 +0,0 @@ -# -# ~/.bashrc -# -neofetch - -# create custom env variables: -export CPROJ="/home/brian/Documents/Code/python/python_crash_course/projects/learning_log" -# custom BROWSER env for ddgr: -#export BROWSER=firefox-developer-edition -export BROWSER=links - - #enable vi keybindings in terminal and terminal applications -set -o vi - -# but keep ctrl l as the clear screen command -bind -m vi-command 'Control-l: clear-screen' -bind -m vi-insert 'Control-l: clear-screen' - -# clears the history completely upon loading bash -cat /dev/null > ~/.bash_history && history -c - -[[ $- != *i* ]] && return - -colors() { - local fgc bgc vals seq0 - - printf "Color escapes are %s\n" '\e[${value};...;${value}m' - printf "Values 30..37 are \e[33mforeground colors\e[m\n" - printf "Values 40..47 are \e[43mbackground colors\e[m\n" - printf "Value 1 gives a \e[1mbold-faced look\e[m\n\n" - - # foreground colors - for fgc in {30..37}; do - # background colors - for bgc in {40..47}; do - fgc=${fgc#37} # white - bgc=${bgc#40} # black - - vals="${fgc:+$fgc;}${bgc}" - vals=${vals%%;} - - seq0="${vals:+\e[${vals}m}" - printf " %-9s" "${seq0:-(default)}" - printf " ${seq0}TEXT\e[m" - printf " \e[${vals:+${vals+$vals;}}1mBOLD\e[m" - done - echo; echo - done -} - -[ -r /usr/share/bash-completion/bash_completion ] && . /usr/share/bash-completion/bash_completion - -# Change the window title of X terminals -case ${TERM} in - xterm*|rxvt*|Eterm*|aterm|kterm|gnome*|interix|konsole*) - PROMPT_COMMAND='echo -ne "\033]0;${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/\~}\007" ' - - ;; - screen*) - PROMPT_COMMAND='echo -ne "\033_${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/\~}\033\\" ' - ;; -esac - -use_color=true - -# Set colorful PS1 only on colorful terminals. -# dircolors --print-database uses its own built-in database -# instead of using /etc/DIR_COLORS. Try to use the external file -# first to take advantage of user additions. Use internal bash -# globbing instead of external grep binary. -safe_term=${TERM//[^[:alnum:]]/?} # sanitize TERM -match_lhs="" -[[ -f ~/.dir_colors ]] && match_lhs="${match_lhs}$(<~/.dir_colors)" -[[ -f /etc/DIR_COLORS ]] && match_lhs="${match_lhs}$(/dev/null \ - && match_lhs=$(dircolors --print-database) -[[ $'\n'${match_lhs} == *$'\n'"TERM "${safe_term}* ]] && use_color=true - -if ${use_color} ; then - # Enable colors for ls, etc. Prefer ~/.dir_colors #64489 - if type -P dircolors >/dev/null ; then - if [[ -f ~/.dir_colors ]] ; then - eval $(dircolors -b ~/.dir_colors) - elif [[ -f /etc/DIR_COLORS ]] ; then - eval $(dircolors -b /etc/DIR_COLORS) - fi - fi - - if [[ ${EUID} == 0 ]] ; then - PS2='\[\033[01;31m\][\h\[\033[01;36m\] \W\[\033[01;31m\]]\$\[\033[00m\] ' - else - PS1='\[\033[01;32m\][\u@\h\[\033[01;37m\] \W\[\033[01;32m\]]\$\[\033[00m\] ' - fi - - alias ls='ls --color=auto' - alias grep='grep --colour=auto' - alias egrep='egrep --colour=auto' - alias fgrep='fgrep --colour=auto' -else - if [[ ${EUID} == 0 ]] ; then - # show root@ when we don't have colors - PS1='\u@\h \W \$ ' - else - PS1='\u@\h \w \$ ' - fi -fi - -unset use_color safe_term match_lhs sh - -alias cp="cp -i" # confirm before overwriting something -alias df='df -h' # human-readable sizes -alias free='free -m' # show sizes in MB -alias np='nano -w PKGBUILD' -alias more=less - -xhost +local:root > /dev/null 2>&1 - -complete -cf sudo - -# Bash won't get SIGWINCH if another process is in the foreground. -# Enable checkwinsize so that bash will check the terminal size when -# it regains control. #65623 -# http://cnswww.cns.cwru.edu/~chet/bash/FAQ (E11) -shopt -s checkwinsize - -# No need to type cd when changing directories. -shopt -s autocd -# No need to have capitalization correct -shopt -s cdspell - -shopt -s expand_aliases - -# export QT_SELECT=4 - -# Enable history appending instead of overwriting. #139609 -shopt -s histappend - -# -# # ex - archive extractor -# # usage: ex -ex () -{ - if [ -f $1 ] ; then - case $1 in - *.tar.bz2) tar xjf $1 ;; - *.tar.gz) tar xzf $1 ;; - *.bz2) bunzip2 $1 ;; - *.rar) unrar x $1 ;; *.gz) gunzip $1 ;; - *.tar) tar xf $1 ;; - *.tbz2) tar xjf $1 ;; - *.tgz) tar xzf $1 ;; - *.zip) unzip $1 ;; - *.Z) uncompress $1;; - *.7z) 7z x $1 ;; - *) echo "'$1' cannot be extracted via ex()" ;; - esac - else - echo "'$1' is not a valid file" - fi -} - -# Formats history command with dates/times -HISTTIMEFORMAT="%d/%m/%y %T " - -# Displays current git branch if there is any and also styles bash prompt -export PS1='\[\033[01;32m\][\u@\h\[\033[01;37m\] \W\[\033[01;32m\]]\$\033[01;37m\] $(git branch 2>/dev/null | grep '^*' | colrm 1 2)\n\033[01;32m└─▶ \033[37m' - -# Custom Bash Commands -alias .="cd" -alias home="xclear && cd /home/brian && clear && nf && history -c" -alias docs="cd ~/Documents" -alias down="cd ~/Downloads" -alias pics="cd ~/Pictures" -alias music="cd ~/Music" -alias vids="cd ~/Videos" -alias notes="cd ~/Documents/notes" -alias config="cd ~/.config" -alias cache="cd ~/.cache" -alias Code="cd ~/Documents/Code" -alias cplus="cd ~/Documents/Code/cpp" -alias js="cd ~/Documents/Code/javascript" -alias py="cd ~/Documents/Code/python" -alias ls="ls -liasSh --color=auto" -alias {ex,esc}="exit" -alias {his,hist}="history" -alias bluepill="cmatrix -bm -C cyan" -alias redpill="cmatrix -bm -C red" -alias nf="neofetch" -alias btop="xfce4-terminal --geometry=142x57+0+0 -x btop" -alias {firefox,ff}="firefox-developer-edition &" -alias {sq,sql,sqlite}="sqlcipher" -alias view="viewnior" -alias serve="live-server" -alias tree="tree -ad -L 3 --prune -C" -alias {nv,nvi}="nvim" -alias {mymux,memux,mmux}="tmux new-session \; send-keys 'nvim' C-m\; split-window -v -p 3\; send-keys 'clear && source 11_env/bin/activate' C-m\; split-window -h -p 14\; send-keys 'clear && ddgr' C-m\; select-pane -t 0\;" -alias {cproj,mproj,myproj}="cd '$CPROJ' && mmux" -alias tls="tmux ls" -alias ta="tmux a -t" -alias tkill="tmux kill-ses -t" -alias {mi,mic}="micro" -alias {mysql,maria,mdb}="mariadb" -alias {ss,wi,ssid}="doas iw wlan0 scan | grep SSID" -alias {ov,ovpn}="doas openvpn --config ~/.config/protonvpn/protonvpn_configs/us-free-02.protonvpn.com.udp.ovpn --auth-user-pass ~/.config/protonvpn/protonvpn.txt" -alias {pvpn,pv}="doas protonvpn c US-FREE#1 -p UDP" -alias {pvdown,pvpnd,pvd}="doas protonvpn d" -alias git-a="git add" -alias git-c="git commit -m" -alias git-p="git push" -alias xsel="xclip -sel clip" -alias catx="cat | xclip -sel clip" -alias xclear="echo '' | xclip && xclip -selection clipboard /dev/null" -alias {mop,market,stonks,stocks}="cd ~/aur_packages/mop && go run ./cmd/mop/main.go" -alias ddgr="ddgr -n 25" -alias {ddg,duck}="links https://www.duckduckgo.com" -alias searx="links https://www.searx.bar" -alias {vlc,mpl}="mplayer" -alias {muse,musik,cmu}="cmus" -alias {hp,headphones}="pactl set-default-sink alsa_output.usb-FIIO_FiiO_USB_DAC-E10-01.analog-stereo" -alias {sp,speakers}="pactl set-default-sink alsa_output.pci-0000_0a_00.4.analog-stereo" -alias pulse="pamixer --set-volume" -alias {mu,mt,mute}="pamixer -t" -alias ytdl="youtube-dl" -alias thinkorswim="~/thinkorswim/thinkorswim &" -alias {cl,cls}="clear" -alias shutdown="doas shutdown -h now" -alias reboot="doas reboot" -alias log="xfce4-session-logout --logout:wq" -alias curltime="curl -w \"@$HOME/Documents/notes/curl-format.txt\" -o /dev/null -s" -alias ipaddr="curl ifconfig.me" -alias killport="fuser -k" -alias rmorphans="sudo pacman -Rs $(pacman -Qdtq)" -alias rm="rm -i" -alias {doasedit,sudoedit}="doas rnano" -alias shred="shred -uz" - -export EDITOR=nvim -export PATH="$PATH:$GOPATH/bin" -[ -f ~/.fzf.bash ] && source ~/.fzf.bash diff --git a/unix_programming_environment/ctype.txt b/unix_programming_environment/ctype.txt new file mode 100644 index 00000000..2430cc83 --- /dev/null +++ b/unix_programming_environment/ctype.txt @@ -0,0 +1,13 @@ +----------------------------- Table 6.1 ----------------------------- + +isalpha(c) alphabetic: a-z A-Z +isupper(c) upper case: A-Z +islower(c) lower case: a-z +isdigit(c) digit: 0-9 +isxdigit(c) hexadecimal digit: 0-9 a-f A-F +isalnum(c) alphabetic or digit +isspace(c) blank, tab, newline, vertical tab, formfeed, return +ispunct(c) not alphanumeric or control or space +isprint(c) printable: any graphic +iscntrl(c) control character: 0 <= c < 040 "" c == 0177 +isascii(c) ASCII character: 0 <= c <= 0177