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what about this one?

The bash write a program to check the password to verify the validity of a given password according to the given conditions! The password should be specified on the program....

i name it preimenuj.sh..

and i dont know about 2nd arg :S
u have any idea?

#!/bin/sh

for i in *$1; do
mv "$i" "${i%.*}$2"
done
Test run:

this one makes this

mv: `new file' and `new file' are the same file
mv: `vaja1' and `vaja1' are the same file

so this...

tywm for that..
but i was wondering if u can make something like that?

i have done something like this..

#!/bin/bash

while true do

for rac in `cat $1` do

ping -c 3 $rac ||...

Hello i hope this post is ok! and i hope that i get the point of rules :)
i made this tasks by my self but few of them arent working.. and i dont know why!?
u think u could help me? to give me...

hmm.. that sux.. if i would know how to do it.. i wouldnt post it here -.-"
dont u think sO?

and my class mates dont know how to make it also -.-"
so ? any idea?

1. Write a shell program which renames the current directory with the given file extension to another extension. The playoffs are given on the command line.

Example usage:

$ Rename txt doc
...