Bash: New aliases + prevent duplicates in $PATH + some refactoring.

Readme.md

@@ -32,8 +32,9 @@ dotfiles
 * Sublime Text 2 settings syncronization and packages autoinstall (`setup/sublime-settings.sh` and `setup/sublime-packages.sh`).
 * Consolas font install script (`setup/consolas.sh`)
 * Bash4 install script (`setup/bash.sh`)
-* Homebrew bootstrap (`setup/brew.sh`)
+* OS X, Homebrew, NPM, etc. update script (`setup/update.sh`)
 * My magic project opener (`bin/opener.py`)
+* [Bash](https://github.com/sapegin/dotfiles/blob/master/docs/Bash.md) & [Git](https://github.com/sapegin/dotfiles/blob/master/docs/Git.md) aliases and scripts
 * [Mac OS X apps I use](https://github.com/sapegin/dotfiles/wiki/OS-X-Apps)
 
 ## Notes

docs/Bash.md

@@ -33,6 +33,10 @@
 
 * *marked* → open -a marked
 
+* *e* → subl
+
+* *+x* → chmod +x
+
 * *md <dir>* → Make directory and `cd` to it.
 
 * *f <what>* → Recursively find file in current directory.
@@ -80,6 +84,10 @@ Get a character’s Unicode code point: `£` → `\x00A3`.
 	
 Make HTTP request using respective method.
 
+### headers <URL>
+
+Print HTTP headers of a given URL.
+
 ### gz <filepath>
 
 Get gzipped file size.

includes/bash_aliases.bash

@@ -14,7 +14,9 @@ alias pjf="cd ~/Dropbox/Projects/_Forks"
 alias pjm="cd ~/Dropbox/Projects/!"
 alias o="open"
 alias oo="open ."
+alias e="subl"
 alias marked="open -a marked"
+alias +x="chmod +x"
 
 # Detect which `ls` flavor is in use
 if ls --color > /dev/null 2>&1; then  # GNU `ls`

includes/bash_functions.bash

@@ -27,6 +27,16 @@ function httpcompression() {
 	encoding="$(curl -LIs -H 'User-Agent: Mozilla/5 Gecko' -H 'Accept-Encoding: gzip,deflate,compress,sdch' "$1" | grep '^Content-Encoding:')" && echo "$1 is encoded using ${encoding#* }" || echo "$1 is not using any encoding"
 }
 
+# Show HTTP headers for given URL
+# Usage: headers <URL>
+# https://github.com/rtomayko/dotfiles/blob/rtomayko/bin/headers
+function headers() {
+	curl -sv -H "User-Agent: Mozilla/5 Gecko" "$@" 2>&1 >/dev/null |
+		grep -v "^\*" |
+		grep -v "^}" |
+		cut -c3-
+}
+
 # Escape UTF-8 characters into their 3-byte format
 function escape() {
 	printf "\\\x%s" $(printf "$@" | xxd -p -c1 -u)
@@ -240,7 +250,7 @@ function rasterize() {
 		[[ $filename != *png ]] && filename="$filename.png"
 		phantomjs <(echo "
 			var page = new WebPage();
-			page.viewportSize = { width: 1280, height_: 1024 };
+			page.viewportSize = { width: 1280 };
 			page.open('$url', function (status) {
 				if (status !== 'success') {
 					console.log('Unable to load the address.');

tilde/bash_profile.bash

@@ -30,11 +30,20 @@ done
 export LC_ALL=en_US.UTF-8
 export LANG="en_US"
 
+
+# Prepend $PATH without duplicates
+function _prepend_path() {
+	if ! $( echo "$PATH" | tr ":" "\n" | grep -qx "$1" ) ; then
+		PATH="$1:$PATH"
+	fi
+}
+
 # Extend $PATH
-[ -d ~/bin ] && PATH="~/bin:$PATH"
-[ -d /usr/local/share/npm/bin ] && PATH="/usr/local/share/npm/bin:$PATH"
-PATH="/usr/local/bin:$PATH"
-command -v brew >/dev/null 2>&1 && PATH="$(brew --prefix coreutils)/libexec/gnubin:$PATH"
+[ -d /usr/local/bin ] && _prepend_path "/usr/local/bin"
+[ -d /usr/local/share/npm/bin ] && _prepend_path "/usr/local/share/npm/bin"
+command -v brew >/dev/null 2>&1 && _prepend_path "$(brew --prefix coreutils)/libexec/gnubin"
+[ -d ~/dotfiles/bin ] && _prepend_path "~/dotfiles/bin"
+[ -d ~/bin ] && _prepend_path "~/bin"
 export PATH
 
 # Colors
@@ -64,7 +73,7 @@ unset file
 command -v brew >/dev/null 2>&1 && [ -r "$(brew --prefix)/etc/bash_completion" ] && source "$(brew --prefix)/etc/bash_completion"
 
 # Add tab completion for SSH hostnames based on ~/.ssh/config, ignoring wildcards
-_ssh_reload_autocomplete() {
+function _ssh_reload_autocomplete() {
 	[ -e "~/.ssh/config" ] && complete -o "default" -o "nospace" -W "$(grep "^Host" ~/.ssh/config | grep -v "[?*]" | cut -d " " -f2)" scp sftp ssh
 }
 _ssh_reload_autocomplete
@@ -102,9 +111,9 @@ less_options=(
 	# Do not complain when we are on a dumb terminal.
 	--dumb
 );
-export LESS="${less_options[*]}";
-unset less_options;
-export PAGER='less';
+export LESS="${less_options[*]}"
+unset less_options
+export PAGER='less'
 
 # Load extra (private) settings
-[ -r "~/.bashlocal" ] && source "~/.bashlocal"
+[ -f "~/.bashlocal" ] && source "~/.bashlocal"