Hello,
I would assume the expression ^$ should match a null string. Yet when I run:
echo -n | sed 's/^$/nullstring/'
I get no output.
Can anyone tell me why? (6 Replies)
I'm using the URL Regex feature of Squid for allowing sites via a list of regex strings to match allowed domains. The regex was actually copied from our previous proxy solution and it seemed to "just work". But, we've recently discovered that some domains (likely due to virtual hosts or host... (2 Replies)
Hi ,
I am very new to unix as well as shell scripting. I have to write a script for the following requirement.
In a particular mount, have to list all the directories and sub directories along with size of the directory and sub directory in ascending order.
Please help me in this regard and many... (4 Replies)
Hi,
Please help me, how to get all the direcotries, its sub directories and its sub directories recursively, need to exclude all the files in the process.
I wanted to disply using a unix command all the directories recursively excluding files.
I tried 'ls -FR' but that display files as... (3 Replies)
Hi,
I need to find the list of matching direcories in current folder only and no subfolders on AIX.I tried -maxdepth option but its not working.
Also, tried ls -d option to list the matching directories but getting argument list too long...
So, any help would be appreciated. (6 Replies)
I have a variable strLst containing a list of strings. I want to create a function that takes the list and an error message. If the number of strings is 0 or greater than 1, I print the error message. (1 Reply)
Can anyone come up with a unix command that lists
all the files, directories and sub-directories in the current directory
except a folder called log.?
Thank you in advance. (7 Replies)
I am trying to eliminate an error message from a script. This is the error message:
find: stat() error /usr/openv/netbackup/db/images/KUMAX: No such file or directory
if ];
then
runthiscommand=`su nxadm -c "ssh -t $new3 exec /bin/sh -s">/tmp/filew3 2>/tmp/error.txt<<EOF
... (1 Reply)
It is for HP-Unix B.11.31.
Requirement:
1. List the directories, having given pattern in the directories name, sorted by creation date.
Example: Directories with name "pkg32*" or "pkg33*"
2. On the output of 1. list the directories by creation date as sort order, with creation date... (2 Replies)
Hi All,
I am new to shell scripting. I have a requirement as part of my job to find out null/empty values in column 2 and column 3 from a CSV file and exit the further execution of script by displaying a simple error message.
I have developed a script to do this by reading various articles... (7 Replies)
Discussion started by: tpk
7 Replies
LEARN ABOUT DEBIAN
pipebench
pipebench(1)pipebench(1)NAME
pipebench - Shows speed of stdin/stdout communication
SYNOPSIS
pipebench [ -ehqQIoru ] [ -s file | -S file ] [ -b bufsize ]
DESCRIPTION
Measures the speed of stdin/stdout communication.
OPTIONS -h Displays a help message and exits.
-e If an error occurs, exit (breaking the pipe between stdin and stdout. By default an error message is printed to stderr and the pro-
gram continues.
-q Only show summary stats.
-Q Don't show running speed or summary stats. Same as -q -o. Can be used to play with buffer size.
-o Don't show summary.
-b bufsize
Use this buffer size, in bytes.
-r Just show raw speed, no fancy stuff. And no summary.
-s file
Write status to file instead of stderr.
-S file
Write status to file instead of stderr.
-I Use 1kB = 1000B, instead of the default 1024B.
-u Don't convet to units (kilo, Mega, etc...)
EXAMPLES
Benchmark and show progress of backup
# (cd /home/; tar cf - .) | pipebench | (cd /mnt/backup/; tar xf -)
A number to brag to your friends about
$ dd if=/dev/zero bs=80k count=60k 2> /dev/null | ./pipebench -q > /dev/null
BUGS
No known bugs... yet.
SEE ALSO dd(1), cat(1)AUTHOR
Pipebench was written by Thomas Habets <thomas@habets.pp.se>
pipebench 18th Apr, 2003 pipebench(1)