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$$ \newcommand{\RR}{\mathbb{R}} \newcommand{\GG}{\mathbb{G}} \newcommand{\PP}{\mathbb{P}} \newcommand{\PS}{\mathcal{P}} \newcommand{\SS}{\mathbb{S}} \newcommand{\NN}{\mathbb{N}} \newcommand{\ZZ}{\mathbb{Z}} \newcommand{\CC}{\mathbb{C}} \newcommand{\HH}{\mathbb{H}} \newcommand{\ones}{\mathbb{1\hspace{-0.4em}1}} \newcommand{\alg}[1]{\mathfrak{#1}} \newcommand{\mat}[1]{ \begin{pmatrix} #1 \end{pmatrix} } \renewcommand{\bar}{\overline} \renewcommand{\hat}{\widehat} \renewcommand{\tilde}{\widetilde} \newcommand{\inv}[1]{ {#1}^{-1} } \newcommand{\eqdef}{\overset{\text{def}}=} \newcommand{\block}[1]{\left(#1\right)} \newcommand{\set}[1]{\left\{#1\right\}} \newcommand{\abs}[1]{\left|#1\right|} \newcommand{\trace}[1]{\mathrm{tr}\block{#1}} \newcommand{\norm}[1]{ \left\| #1 \right\| } \newcommand{\argmin}[1]{ \underset{#1}{\mathrm{argmin}} } \newcommand{\argmax}[1]{ \underset{#1}{\mathrm{argmax}} } \newcommand{\st}{\ \mathrm{s.t.}\ } \newcommand{\sign}[1]{\mathrm{sign}\block{#1}} \newcommand{\half}{\frac{1}{2}} \newcommand{\inner}[1]{\langle #1 \rangle} \newcommand{\dd}{\mathrm{d}} \newcommand{\ddd}[2]{\frac{\partial #1}{\partial #2} } \newcommand{\db}{\dd^b} \newcommand{\ds}{\dd^s} \newcommand{\dL}{\dd_L} \newcommand{\dR}{\dd_R} \newcommand{\Ad}{\mathrm{Ad}} \newcommand{\ad}{\mathrm{ad}} \newcommand{\LL}{\mathcal{L}} \newcommand{\Krylov}{\mathcal{K}} \newcommand{\Span}[1]{\mathrm{Span}\block{#1}} \newcommand{\diag}{\mathrm{diag}} \newcommand{\tr}{\mathrm{tr}} \newcommand{\sinc}{\mathrm{sinc}} \newcommand{\cat}[1]{\mathcal{#1}} \newcommand{\Ob}[1]{\mathrm{Ob}\block{\cat{#1}}} \newcommand{\Hom}[1]{\mathrm{Hom}\block{\cat{#1}}} \newcommand{\op}[1]{\cat{#1}^{op}} \newcommand{\hom}[2]{\cat{#1}\block{#2}} \newcommand{\id}{\mathrm{id}} \newcommand{\Set}{\mathbb{Set}} \newcommand{\Cat}{\mathbb{Cat}} \newcommand{\Hask}{\mathbb{Hask}} \newcommand{\lim}{\mathrm{lim}\ } \newcommand{\funcat}[1]{\left[\cat{#1}\right]} \newcommand{\natsq}[6]{ \begin{matrix} & #2\block{#4} & \overset{#2\block{#6}}\longrightarrow & #2\block{#5} & \\ {#1}_{#4} \hspace{-1.5em} &\downarrow & & \downarrow & \hspace{-1.5em} {#1}_{#5}\\ & #3\block{#4} & \underset{#3\block{#6}}\longrightarrow & #3\block{#5} & \\ \end{matrix} } \newcommand{\comtri}[6]{ \begin{matrix} #1 & \overset{#4}\longrightarrow & #2 & \\ #6 \hspace{-1em} & \searrow & \downarrow & \hspace{-1em} #5 \\ & & #3 & \end{matrix} } \newcommand{\natism}[6]{ \begin{matrix} & #2\block{#4} & \overset{#2\block{#6}}\longrightarrow & #2\block{#5} & \\ {#1}_{#4} \hspace{-1.5em} &\downarrow \uparrow & & \downarrow \uparrow & \hspace{-1.5em} {#1}_{#5}\\ & #3\block{#4} & \underset{#3\block{#6}}\longrightarrow & #3\block{#5} & \\ \end{matrix} } \newcommand{\cone}[1]{\mathcal{#1}} $$

(projectile-mode +1)
(define-key projectile-mode-map (kbd "s-p") 'projectile-command-map)
(helm-projectile)
(helm-projectile-on)

     case "$TERM" in
        "dumb")
            export PS1="> "
            ;;
        xterm*|rxvt*|eterm*|screen*)
            tty -s && export PS1="some crazy prompt stuff"
            ;;
    esac

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