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UNIX for Dummies Questions & Answers
Newbie Help with Grep or Awk .. Easy one ...
Post 302279331 by kthatch on Thursday 22nd of January 2009 12:26:43 PM
01-22-2009
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10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
Hi again. Sorry if it seems like I'm spamming the boards a bit, but I figured I might as well ask all the questions I need answers to at once, and hopefully at least get some.
I have installed Solaris 10 on a server. The default text editors are there (vi, ex, ed, maybe others, I know emacs is... (4 Replies)
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Hi,
I really need some help with GREP searching...
I need to find all occurances of a file reference and remove two characters from the end of the reference. For example, here are a few lines showing the text:
<image file="STRAIGHT_004CR.jpg" ALT="STRAIGHT_004CR.jpg" />
<image... (8 Replies)
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I'm looking to write a script that takes a certain directory and gzips all its files that are older than 2 days. I've done some research but for the life of me, I can't even get any files gzipped. Any help would be greatly appreciated! (3 Replies)
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4. UNIX for Dummies Questions & Answers
How come grep testfile1 won't find anything in testfile1 (even though the characters sd are there in great quantity), but grep '' testfile1 will find plenty?
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Friends;
I have little experience with shell and I am not able to resolve this
problem:
file1:
CRA-JJ-W980-01; 2009-11-24; GigabitEthernet; 0/0
CRA-JJ-W980-01; 2009-11-24; GigabitEthernet;1/0
CRA-JJ-W980-01;2009-11-24;GigabitEthernet;3/0... (5 Replies)
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6. Shell Programming and Scripting
pattern matching porblem.
I have a file with lines like this:
hdisk2 blah 03
hdisk3 blah 03
hdisk21 blat 06
hdisk23 blah 06
hdisk210 blat 06
So I want to grep for just hdisk2, but I get back as you would expect
hdisk2
dhsik21
hdisk23
hdisk210
I tried several... (1 Reply)
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7. UNIX for Dummies Questions & Answers
This seems like an easy question, but I can't find an answer already posted.
I want a command to return all of the lines in a file containing exactly a string
I tried
grep -x "372701" x.txt
but this did not return anything
I am just trying to search a file for lines which contain... (4 Replies)
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8. UNIX for Dummies Questions & Answers
Two things.
1. I need to list all the jpg that start with a specific pattern and I tried using wildcards and can't get it to work. Basically:
grep "cpd*.jpg" myfile.sgm return all entries that start with cpd (wildcard) and jpg
but this does not work and I can't find another option--I'm... (4 Replies)
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So, I have the following code:
cat testfile.txt | awk -F, '{ print $1" "$2" "$3" "$4" "$5 }' | read DOC ORG NAME
echo "$DOC"
echo "$ORG"
echo "$NAME"
My testfile.txt looks something like the following:
Document Type,Project Number,Org ID,Invoice Number
It will eventually be more... (14 Replies)
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10. Shell Programming and Scripting
I am new to grep and Linux and am looking to see if grep can parse out a list of lines that have a difference of more than 10 seconds between the times on each line.
Example
2016-09-17 19:30:57 INFO: id: 4562079216, time: 2016-09-17 19:30:41,
2016-09-17 12:02:26 INFO: id:... (26 Replies)
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LEARN ABOUT OSX
list_devices
list_devices(1) list_devices(1) NAME
list_devices - list allocatable devices SYNOPSIS
list_devices [-s] [ -U uid] -l [device] list_devices [-s] [ -U uid] -n [device] list_devices [-s] [ -U uid] -u [device] The list_devices utility lists the allocatable devices in the system according to specified qualifications. The device and all device special files associated with the device are listed. The device argument is optional and, if it is not present, all relevant devices are listed. The following options are supported: -l [device] Lists the pathname(s) of the device special files associated with the device that are allocatable to the current process. If device is given, lists only the files associated with the specified device. -n [device] Lists the pathname(s) of device special files associated with the device that are allocatable to the current process but are not currently allocated. If device is given, lists only the files associated with that device. -s Silent. Suppresses any diagnostic output. -u [device] Lists the pathname(s) of device special files, associated with the device that are allocated to the owner of the current process. If device is given, list only the files associated with that device. -U uid Uses the user ID uid instead of the real user ID of the current process when performing the list_devices operation. Only a user with the solaris.device.revoke authorization can use this option. The following exit values are returned: non--zero An error occurred. /etc/security/device_allocate /etc/security/device_maps /etc/security/dev/* /usr/security/lib/* See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ allocate(1), deallocate(1), bsmconv(1M), dminfo(1M), mkdevalloc(1M), mkdevmaps(1M), device_allocate(4), device_maps(4), attributes(5) The functionality described in this man page is available only if the Basic Security Module (BSM) has been enabled. See bsmconv(1M) for more information. /etc/security/dev, mkdevalloc(1M), and mkdevmaps(1M) might not be supported in a future release of the Solaris Operating Environment. 28 Mar 2005 list_devices(1)