Add ssh-helper functions.

[dotfiles.git] / .aliases

diff --git a/.aliases b/.aliases
old mode 100644 (file)
new mode 100755 (executable)
index f7bc77c..77c68f0
--- a/.aliases
+++ b/.aliases
@@ -1,8 +1,15 @@
-#!/usr/tcsh
-#
-# source
-#
-#stty erase \7f
+#!/bin/bash
+
+# The following aliases vary depending on the host OS:
+case "$(uname -s)" in
+    Linux )
+        alias ls='ls -F --color=auto'
+        ;;
+    Darwin )
+        alias ls='ls -FG'
+        ;;
+esac
+
 alias m='pine'
 alias beep='echo \a'
 alias h=history
@@ -12,7 +19,6 @@ alias hh='history -r | head'
 alias ht='history 10'
 alias p='ps -au'
 alias tf='tail -25f'
-alias ls='ls -FG'
 alias l='ls -lF'
 alias la='ls -laF'
 alias clr='clear'
@@ -23,13 +29,10 @@ alias v='vi'
 alias vt='vi -t'
 alias ta='vi -t'
 alias wh='whoami'
-alias ff='perl ~/tools/ff.c'
 alias new='frm -s new'
 alias du='du -k'
-alias df='df -bk'
+alias df='df -k'
 alias shizzle="perl -pe 's/\b(\w*[^aoeuiy])[aoeuiy]+[bcdfghjklmnpqrstvwxz]*\w\b/\1izzle/g'"
-alias gvim='open ~/Applications/Vim.app/'
-alias qtmlenv='source ~/Projects/qtmlenv'
 
 function lh () { last $@ | head; }
 function ll () { ls -ltF $@ | head; }
@@ -47,6 +50,49 @@ function viw () { vi $(which $1); }
 function toss () { mv -f $@ ~/.trashcan; }
 function xcopy () { tar cvf - -C $1 $1/* | tar xvf - -C $2; }
 function checkdns () { ping $( grep nameserver /etc/resolv.conf | awk '{print $2}' | head -1); }
-function pidof () { ps -e -o pid,comm | grep "$1" | awk '{print $1}'; }
 
+if [[ $(which -s pidof) -eq 0 ]]; then
+    function pidof () { ps -e -o pid,comm | grep "$1" | awk '{print $1}'; }
+fi
+
+function ssh-forget() {
+    sed -i "" "/^$1,/d" ~/.ssh/known_hosts
+}
+
+function ssh-learn() {
+    sed -i "" "/^$1,/d" ~/.ssh/known_hosts
+    ssh-keyscan -t rsa $1 >> ~/.ssh/known_hosts
+}
+
+function _ssh_complete() {
+    COMPREPLY=()
+    cur="${COMP_WORDS[COMP_CWORD]}"
+    opts=$( grep -o '^[^, ]\+' ~/.ssh/known_hosts )
+    COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
+    return 0
+}
+complete -F _ssh_complete ssh
+
+function _ssh_screen () {
+    DISCONNECT=""
+    RECONNECT="-R"
+    HOST=$1
+    while [ "$2" != "" ]; do
+        case $2 in
+            -d | --disconnect )
+                DISCONNECT="-D"
+                ;;
+            * )
+                echo "Usage: $HOST [-d | --discconnect]"
+                return 1
+                ;;
+        esac
+        shift
+    done
+
+    ssh -t $HOST screen $DISCONNECT $RECONNECT
+}
 
+for host in ssh_hosts=$( grep '^Host[ ][^*]' ~/.ssh/config | cut -c 6- ); do
+    alias "$host"="_ssh_screen $host $@"
+done