Useful command line utilities

learn the command line

::
# echo day | sed s/day/night/ night # echo daylight | sed s/day/night/ nightlight

Oh yeah baby. Power.

Let me show you how Linus [1] did a simple check of his bash history

::
history
grep git
sed ‘s/[ 0-9]*(git[ ]*[a-z-]*).*/1/’
sort
uniq -c
sort -n

so lets go through that and see what is worth learning

#!/bin/ksh

mystring="01.Driver Report|userid@company.com"
echo "$mystring"|while IFS="|" read f1 f2
do
name="$f1"
email="$f2"
done
echo "$name"
echo "$email"