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--- bash [2008/11/17 21:27]
a created
+++ bash [2009/05/12 10:19]
a time / date
@@ Line 1: / Line 1: @@
-If you just want to find out what's new in a directory:
+===== .barshrc =====
+<code |f .barshrc>
+function os {
+      export OPER_SYS_1="`uname -s`"
+      export OPER_SYS_2="`cat /etc/issue | head -n 1`"
+      export KERN_INFO="`uname -r`"
+      echo -ne "\033[31mOS:\033[0m " &amp;&amp; echo "$OPER_SYS_1, $OPER_SYS_2"
+      echo -e "\033[32mKernel:\033[0m $KERN_INFO"
+      }
+function hw () {
+   export MOBO_MAN="`sudo dmidecode --type baseboard | grep 'Manufacturer' | cut -d' ' -f2-`"
+   export MOBO_MOD="`sudo dmidecode --type baseboard | grep 'Product' | cut -d' ' -f3-`"
+   export CPU="`cat /proc/cpuinfo | grep 'model name' | cut -d' ' -f3-`"
+   export RAM_TOTAL_KB="`cat /proc/meminfo | grep MemTotal | awk '{print $2}'`"
+   export HDD_INFO="`sudo fdisk -l | grep Disk | grep -v identifier`"
+   echo -e "\033[1;34mHardware\033[0m:"
+   echo " * Motherboard:"
+   echo " * Manufacturer: $MOBO_MAN"
+   echo " * Model: $MOBO_MOD"
+   echo " * CPU(s):"
+   echo "$CPU"
+   echo " * Total RAM: $(($RAM_TOTAL_KB / 1024)) MB"
+   echo " * HDD info: "
+   echo "$HDD_INFO"
+   echo
+</code>
+    alias system="os &amp;&amp; hw"
+**Colored prompt**
+<code bash|>
+PS1='${debian_chroot:+($debian_chroot)}\[\033[01;31m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
+</code>
+==== Adds date/time to history ====
+  #vi $HOME/.bashrc
+  export HISTTIMEFORMAT=”%h/%d - %H:%M:%S “
+==== If you just want to find out what's new in a directory ====
+   lsnew() { ls -lt ${1+"$@"} | head -20; }
+===== Scripts =====
+==== Diff Two Directories ====
+<code bash|f diff2.sh>
+#!/bin/bash
+cr='*'
+if [ -z $3 ]; then cr=$3; fi
+for f in `find $1/$3 -type f | sed "s|$1/||"`
+do
+  printf "===!%-76s" "$f!" | tr ' !' '= '; echo
+  diff $1/$f $2/$f | sed -e "s/^</$1: /" -e "s/^>/$2: /"
+done
+</code>
+===== Bash misc stuff =====
+==== $RANDOM not random at all ====
+instead of $RANDOM use ..
+  SEED=$(head -c4 /dev/urandom | od -t u4 | awk '{ print $2 }')
+  ((N=SEED%N))
+or
+  SEED=$(head -1 /dev/urandom | od -N 1 | awk '{ print $2 }')
+  ((N=SEED%N))
-lsnew() { ls -lt ${1+"$@"} | head -20; }