03-06-2019
It's difficult to say, in a way. What do you want to do with the output from the ssh command? Because the output will be in a standard format, you might be able to call stat just once for all of them. The output will be one long trail, but there is a clear marker for the file name, size and other information. You can even direct it to format in a way most useful to you.
If you fancy a fairly terse output, you could try ssh $username@target_server "stat -t $files_to_check" or push it even further with ssh $username@target_server "stat -tc '%n' $files_to_check" which will give you the filenames that exist or a message something like stat: cannot stat `not_a_file': No such file or directory as one big list of output.
What do you eventually want to get out of it?
Are any files likely to be a symbolic link? You might need to add the -L flag to follow links to check them.
Does this help,
Robin
Last edited by rbatte1; 03-06-2019 at 12:44 PM..
Reason: Corrected formatting definition for last suggestion.
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
I want to sftp some files to a remote directory. Before transferring files i want to check whether the required folder exists. If so copy the files to that folder, else create the folder and copy the files.
Thanks in adv (1 Reply)
Discussion started by: borncrazy
1 Replies
2. Shell Programming and Scripting
Hi there, I am designing a software rollout script and need to check if a particular file exists on a remote system
something along the lines of
if ; then blah blah
The above doesnt work but you get the general idea....is there a way I can do this on a single line ??
any help would... (2 Replies)
Discussion started by: hcclnoodles
2 Replies
3. Shell Programming and Scripting
Hi
Does anybody know how I can check if a file exists on a remote machine
i.e. see bellow, this doesn't work by the way and if tried countless variations on this
#!/bin/sh
hostname=server56
if ; then
echo file exists
else
echo file doesn't exist
fi
Any help on this would... (2 Replies)
Discussion started by: hcclnoodles
2 Replies
4. UNIX for Dummies Questions & Answers
Hello,
I have a script that uploads a file from local to remote place using ftp. The problem is that, if on remote host there is a file called the same as the one I want to upload, the ftp program overrides that file. But I don't want to override nothing (even if the remote file is older,... (3 Replies)
Discussion started by: spiriad
3 Replies
5. Shell Programming and Scripting
I am haveing one script haveing one issue with this could any one can reply soon it is very urgent.
:p
if ssh hcp_ftp@$1 'ls '$2/stop.txt' 1>&2 2>/dev/null'; then exit 1;
else
scp -p hcp_ftp@$1:$2/VAT*.dat $3 <<EOF
EOF
cd $3
pwd
echo 'About to find file'
SOURCE_FILE=$(ls -rt VAT*.dat|tail... (2 Replies)
Discussion started by: marpadga18
2 Replies
6. Shell Programming and Scripting
I've seen this question posed a few times with shell scripting, but have not found anything with csh. I am trying to download multiple txt files from a source using wget. These are archived tornado warning files; however, the files only exist if there were tornado warnings issued that day. I'm... (3 Replies)
Discussion started by: meteorologistks
3 Replies
7. Shell Programming and Scripting
Hi everyone,
I am trying to figure out a way to ssh to remote server and check if file exists, and if it doesn't I want to leave the script with an exit status of 5.
I have the following that I am attempting to use, but it is not returning anything:
check()
{
ssh ${SOURCE_SERV} "ls -l... (4 Replies)
Discussion started by: jimbojames
4 Replies
8. Shell Programming and Scripting
Hi,
I need to check if a file exists on remote server using expect.
#!/bin/bash
ip_addr=10.10.10.10
user=root
passwd=Help
filename=/root/test
expect -c "
spawn ssh -n -T -o NumberOfPasswordPrompts=3 -o StrictHostKeyChecking=no $user@$ip_addr
expect \"*?assword:*\"
send --... (6 Replies)
Discussion started by: temp_user
6 Replies
9. Shell Programming and Scripting
Dear members, The following expect script connects to remote node and check for the file "authorized_keys" in directory /root/.ssh in remote node. However the result is always found even if the file exist or doesn't exist.
expect {
"$fname" {
send_user "found\n"
}
Any idea what is... (4 Replies)
Discussion started by: Sudhakar333
4 Replies
10. Shell Programming and Scripting
I'm using redhat and have an odd issue with a nested ssh call.
ssh -i ~/.ssh/transfer-key -q transfer@fserver1 ]
&& ssh -i ~/.ssh/transfer-key transfer@fserver1 "ssh -i ~/.ssh/sftp-key sftpin@10.0.0.1 ]"
&& ssh -i ~/.ssh/transfer-key transfer@fserver1 "scp -i ~/.ssh/sftp-key /home/S/outbox/*... (2 Replies)
Discussion started by: say170
2 Replies
STAT(1) User Commands STAT(1)
NAME
stat - display file or file system status
SYNOPSIS
stat [OPTION]... FILE...
DESCRIPTION
Display file or file system status.
Mandatory arguments to long options are mandatory for short options too.
-L, --dereference
follow links
-f, --file-system
display file system status instead of file status
-c --format=FORMAT
use the specified FORMAT instead of the default; output a newline after each use of FORMAT
--printf=FORMAT
like --format, but interpret backslash escapes, and do not output a mandatory trailing newline; if you want a newline, include
in
FORMAT
-t, --terse
print the information in terse form
--help display this help and exit
--version
output version information and exit
The valid format sequences for files (without --file-system):
%a access rights in octal
%A access rights in human readable form
%b number of blocks allocated (see %B)
%B the size in bytes of each block reported by %b
%C SELinux security context string
%d device number in decimal
%D device number in hex
%f raw mode in hex
%F file type
%g group ID of owner
%G group name of owner
%h number of hard links
%i inode number
%m mount point
%n file name
%N quoted file name with dereference if symbolic link
%o optimal I/O transfer size hint
%s total size, in bytes
%t major device type in hex, for character/block device special files
%T minor device type in hex, for character/block device special files
%u user ID of owner
%U user name of owner
%w time of file birth, human-readable; - if unknown
%W time of file birth, seconds since Epoch; 0 if unknown
%x time of last access, human-readable
%X time of last access, seconds since Epoch
%y time of last modification, human-readable
%Y time of last modification, seconds since Epoch
%z time of last change, human-readable
%Z time of last change, seconds since Epoch
Valid format sequences for file systems:
%a free blocks available to non-superuser
%b total data blocks in file system
%c total file nodes in file system
%d free file nodes in file system
%f free blocks in file system
%i file system ID in hex
%l maximum length of filenames
%n file name
%s block size (for faster transfers)
%S fundamental block size (for block counts)
%t file system type in hex
%T file system type in human readable form
NOTE: your shell may have its own version of stat, which usually supersedes the version described here. Please refer to your shell's docu-
mentation for details about the options it supports.
GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report stat translation bugs to <http://translationproject.org/team/>
AUTHOR
Written by Michael Meskes.
COPYRIGHT
Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
stat(2)
The full documentation for stat is maintained as a Texinfo manual. If the info and stat programs are properly installed at your site, the
command
info coreutils 'stat invocation'
should give you access to the complete manual.
GNU coreutils 8.22 June 2014 STAT(1)