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 CENTOS
igrep
IGREP(1) General Commands Manual IGREP(1)NAME
igrep - search images for matching metadata
SYNOPSIS
igrep [options] pattern files...
DESCRIPTION
The igrep utility is invoked as follows:
igrep [options] pattern filename...
Where pattern is a POSIX.2 regular expression (just like the Unix/Linux grep(1) command), and filename (and any following names) specify
images or directories that should be searched. An image file will "match" if any of its metadata contains values contain substring that are
recognized regular expression. The image files may be of any format recognized by OpenImageIO (i.e., for which ImageInput plugins are
available).
Example:
$ igrep Jack *.jpg
bar.jpg: Keywords = Carly; Jack
foo.jpg: Keywords = Jack
test7.jpg: ImageDescription = Jack on vacation
For a complete description, see /usr/share/doc/libopenimageio-dev/openimageio.pdf.gz.
OPTIONS --help Print help message
-i Ignore upper/lower case distinctions
-v Invert match (select non-matching files)
-E Pattern is an extended regular expression
-f Match against file name as well as metadata
-l List the matching files (no detail)
-r Recurse into directories
-d Print directories (when recursive)
-a Search all subimages of each file
SEE ALSO
iconvert(1), idiff(1), iinfo(1), iprocess(1), iv(1), maketx(1), oiiotool(1).
AUTHOR
OpenImageIO was written by Larry Gritz and the other authors and contributors.
This manual page was written by IRIE Shinsuke <irieshinsuke@yahoo.co.jp>, for the Debian project (and may be used by others).
May 19, 2012 IGREP(1)