Linux Shell Scripting Bootcamp

Creating new commands from a template

Since you are reading this book it can be assumed that you are going to be writing a good number of scripts. Here is another handy trick I learned over the years. When I need to create a new script, instead of doing it from scratch I use this simple command:

Chapter 10 – Script 2

#!/bin/sh
#
# 1/26/2014
#
# create a command script

if [ $# -eq 0 ] ; then
 echo "Usage: mkcmd command"
 echo " Copies mkcmd.template to command and edits it with kw"
 exit 255
fi

if [ -f $1 ] ; then
  echo File already exists!
  exit 2
fi

cp $BIN/mkcmd.template $1
kw $1
exit 0


And here is the contents of the $BIN/mkcmd.template file:
#!/bin/sh
#
# Date
#
if [ $# -eq 0 ] ; then
 echo "Usage:                "
 echo "                      "
 exit 255
fi

Be sure that after you create ...