Is your script supposed to be invoked with the files you want to process, and terminate if they don't exist? $# indicates how many arguments there were (presumably you want to abort if there were none) but to check whether the named file(s) exist, you give them as arguments to "test -f".
Hi,
I would like to perform bash which would check the file A.txt to be size 0 or not. If the size is 0, I would copy file B.txt to replace A.txt.
Please help.
Thanks.
-Jason (6 Replies)
I have a process run weekly where I must convert data formats for about thirty files. I read a text file that provides all of the filenames and switch settings.
My perl code is:
for ($j = 1; $j <= $k; $j++)
{
open(FIN2,$fin2) || die "open: $!";
do other stuff
}
Every once in... (2 Replies)
In a directory a number of files named res0.om res1.om ... resN.om
where N can be any unknown number between 1 and 999
Please help me filling out the gaps in the following csh script:
I need to delete all files exept res0.om The easy way is
rm res1*
rm res2*
rm res3*
rm res4*... (5 Replies)
I have the following data stored in a file.
1 /home/file13 /home/file2
2 /home/file41 /home/file654
3 /home/file61 /home/file45
4 /home/file81 /home/file43
...
I want to print the first column provided the files represented by the second and third column exist.
How to do that? (3 Replies)
Hi,
I am new to shell-scripting, and doing a lot of reading. I am having some trouble getting started with a simple testing of scripting. I have been experimenting with if, loops, for, test, etc., but still unsure. I seem to have the hang of it when it comes to creating a single file or... (6 Replies)
I have a setup where I have two drives.
TV
TVbackup
For what ever reason, I have a lot of content on my TVbackup drive which isn't on my TV drive.
I want to copy all the files across which are on TVbackup but are not currently on TV.
If there is a file with the same name but a... (2 Replies)
Hi all!
I need some help with a script, but I want to make it better, my script prints the last two files on each directory:
echo " "
echo "******************* mediation_sgsn:***********************"
ls -lrt /moneta_collected03/mediation_sgsn | tail -2
echo " "
echo... (6 Replies)
Hi,
I am unable to achieve the file exist conditions if there are multiple files same similar name for e.g. in a $Direct i am having files like
aus.txt
aus.txt_pr
aus.txt_2012
i need to put a file exist condition like which is not working
then
echo "File present"
but the... (9 Replies)