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wow thanks for all the replies! i learned a lot!

thank you so much for the quick reply buddy! i ended up doing this which worked just fine:

#!/bin/sh

for i in `seq 1 ${1}`
do
echo "Welcome ${i} times";
done


but your code seems to...

i don't get what's wrong here. i'm writing a shell script that takes 1 argument (a number) from the command-line, but it's throwing an error:
Syntax error: Bad for loop variable

doesn't make much...

i have read permissions for all in the entire directory:

throne:/var/www/templates # ls -l
total 108
drwxr--r-- 3 www-data www-data 4096 2007-08-27 05:21 asterisk/
drwxr--r-- 3 www-data...

i've never had this happen before, but i cannot access files from the shell in my apache server but i can see them on my localhost and by typing in my ip address in the url i can access and view...

shamrock your script works almost perfectly. check out these circumstances:

kumi@throne:atlas/images/photos % ls
313.jpg gallery* Luis Work 017.jpg Luis Work...

alright check it out guys. here's the script:

#!/bin/bash

ls -a1 *.$1 | sort -n | while IFS= read fname ; do
#echo "mv $fname ${i}.${1}"
mv -f "$fname" "${i}.${1}"
((i++))
done...

@vgersh, of course! that's why i'm losing files, because it's overwriting existing ones before the loop gets to them. and that's where the sort may be able to help. thanks for clearing that up!
...

ya on the second run it's changing the same filename to the same filename. the reason why this is important, is because i will be adding images to the same directory later, and i'd like to just...

sooo it worked, at first. and i was very very excited. but when i tried the same script on the same files, it messed up. it removed like half of my images. at first i had 19 images with random names....

to answer your question, because i already know perl and python. i'd like to pick up shell scripting to automate much of my daily-weekly-and monthly tasks.

anyway i tried your script and this time...

while i appreciate the effort vgersh, i haven't learned much this entire thread. this began as a simple script, but now i can see how it is much more difficult. why wouldn't i just write it in perl...

thanks for the advice buddy, but it left me in a worse position than before:



kumi@throne:atlas/images/photos % ls -a1
./
../
gallery*
.gallery.swp
.jpg
Luis Work 001.jpg
Luis Work...

thanks for the link porter. but i'm still having trouble with my script:


kumi@throne:atlas/images/photos % ls -l
total 8148
-rwxr-xr-x 1 root root 133 2007-12-12 22:06 gallery*
-rw-r--r--...

bump =\ bump

hey gus. how about i write it for now to just print out the list of files and the name it will be changed to, first. that way i can see any errors before. i have copies of the photos in a different...

i tried yours, reborg, and it kinda messed me up a little.


kumi@throne:atlas/images/photos % sudo chmod a+x gallery
kumi@throne:atlas/images/photos % ls
10.jpg 12.jpg 14.jpg 16.jpg 18.jpg ...

thank you for the great replies. so this is how i think it should go. the logic is there i suppose but the syntax is way off. i'm trying to create this script to work under any conditions (in any...

i see. so what's the $1 for? does the shell recognize that as the last characters after the last dot '.' in a filename?

also, i just want it to work for the current directory. so no reason to have...

hey guys. i'm new to shell scripting but not new to programming. i want to write a script that will take all the files in the current directory that end with a particular filetype and change all...