13.2.1 Bash – GNU standard interactive shell

References for Bash:

• bash(1)

• info bash

• the LDP BASH Programming - Introduction HOWTO as starter information.

• mc /usr/share/doc/bash/examples/ /usr/share/doc/bash/

  (Install the bash-doc package to see the example files.)

• Learning the bash Shell, 2nd edition (O'Reilly)

Short program example (creates account entries for newusers from standard input):

     #!/bin/bash
     # (C) Osamu Aoki Sun Aug 26 16:53:55 UTC 2001 Public Domain
     pid=1000;
     while read n1 n2 n3 ; do
     if [ ${n1:0:1} != "#" ]; then
     let pid=$pid+1
     echo ${n1}_${n2}:password:${pid}:${pid}:,,,/home/${n1}_${n2}:/bin/bash
     fi
     done