Differences

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--- bash [2009/01/13 14:19]
a
+++ bash [2009/01/14 10:30]
a
@@ 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"
+==== If you just want to find out what's new in a directory ====
+   lsnew() { ls -lt ${1+"$@"} | head -20; }
 ===== Scripts =====
@@ Line 50: / Line 50: @@
 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))