Differences

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--- bash [2009/01/13 14:19]
a
+++ bash [2009/05/25 00:35] (current)
@@ Line 1: / Line 1: @@
-If you just want to find out what's new in a directory:
+===== .barshrc =====
-   lsnew() { ls -lt ${1+"$@"} | head -20; }
-**.barshrc**
 <code |f .barshrc>
@@ Line 34: / Line 30: @@
     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 =====
@@ Line 50: / Line 59: @@
 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))