add joyous bash

slides/joyous_bash/joyous_bash.md

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+# Shut Up!
+
+
+
+```sh
+echo blacklist pcspkr >  /etc/modprobe.d/nobeep.conf
+```
+
+---
+
+# Standard Visuals
+
+- `cbonsai`
+- `asciiquarium`
+- `top`
+    * `ZH4W`
+
+## Another Monday!
+
+- `cal --reform julian`
+
+## Weather
+
+```sh
+curl wttr.in
+curl -s wttr.in/Београд
+curl wttr.in/Moon
+```
+
+# `ls`
+
+`ls -X`
+
+---
+
+# vim
+
+- blog!
+- seriously, just write
+
+---
+
+# `watch`
+
+## Watch Differences
+
+- `watch -d stat "$file"`
+- `watch -d ip a`
+
+## With Makefiles
+
+```sh
+watch --chgexit ping -c 1 dmz.rs && sleep 3 && unison -batch pir
+```
+
+## Check Progress
+
+```sh
+watch 'ls **/*.pdf | column'
+```
+
+---
+
+# Watch Shell Scripts
+
+
+```sh
+watch -e ./script.sh
+```
+
+---
+
+# Slow Down
+
+```sh
+function slow(){
+	ff=/tmp/bashpipe_$(date +%s)
+	mkfifo $ff 2>/dev/null
+	( cat $ff | perl -We 'use Time::HiRes;$|++;while(read(STDIN,$c,1)){Time::HiRes::usleep(15000);print $c;}' )& exec &> $ff
+}
+
+```
+
+## Safety?
+
+- no
+
+## `htop`?
+
+- no
+
+## `speedtest`?
+
+- **YES**
+
+```
+
+---
+
+# Notes
+
+```sh
+alias no='$EDITOR .no.md'
+function n(){
+	[ -z "$1" ] && cat .no.md || echo $@ >> .no.md
+}
+
+```
+
+---
+
+# URL  Decoding
+
+
+```bash
+urldecode(){ : "${*//+/ }"; echo -e "${_//%/\\x}"; }
+```
+
+---
+
+# Send Text
+
+
+```sh
+function sendtext(){
+	[ -f "$1" ] && \
+	cat "$1" | nc termbin.com 9999 || \
+	echo "$($1)" | nc termbin.com 9999
+}
+```
+
+---
+
+# Readline
+
+
+Put this in `.inputrc`.
+
+```text
+set editing-mode vi
+set keymap vi
+```
+
+---
+
+# More Readline vi
+
+
+```text
+set editing-mode vi
+set show-mode-in-prompt on
+set vi-ins-mode-string "  "
+set vi-cmd-mode-string " "
+set keymap vi
+```
+
+---
+
+# More Readline
+
+```text
+
+set match-hidden-files off
+set show-all-if-ambiguous on
+set show-all-if-unmodified on
+set colored-stats on
+
+"\C- ": shell-expand-line
+"\C-x": glob-expand-word
+Control-g: "g\n"
+Control-y: "| ccze\n"
+Control-o: "\C-u lfcd\n\C-u"
+Control-l: "\C-u clear -x && ls\n"
+```
+
+---
+
+# Synchronization
+
+## Syncthing
+
+- 'Just works'
+
+## Unison
+
+- Fuck haskell
+- But actually it's good
+
+
+---
+
+# `column`
+
+```sh
+column -ts: -H PW,GID,shell -N User,PW,UID,GID,Description,Home,shell /etc/passwd
+```
+
+##
+
+```sh
+column -J -ts: -H PW,GID,shell -N User,PW,UID,GID,Description,Home,shell /etc/passwd | jq -r .table.[].user
+```
+
+---
+
+# Aliases
+
+## b
+
+```sh
+b () 
+{ 
+    eval "cd $(for d in $(seq 1 $1);
+do
+    printf ../;
+done)"
+}
+
+```
+
+---
+
+# `eval`
+
+- Don't
+
+---
+
+# Clear Downloads
+
+```sh
+rm -rf ~/Downloads/*
+echo "tmpfs $HOME/Downloads tmpfs defaults,size=1G 0 0" | sudo tee -a /etc/fstab
+sudo systemctl daemon-reload # Only for systemd
+sudo mount -a
+mount | tail -1
+```
+
+# The Best: `yes`
+
+- `yes`
+- `yes no`
+