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UNIX for Beginners Questions & Answers
Grep command to show the number of results
Post 303042551 by abdossamad2003 on Sunday 29th of December 2019 09:06:17 AM
12-29-2019
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1. Shell Programming and Scripting
When I type a command at the command line it supplies one result and the exact same command in a script
egrep '^01|^02|^03|^04' file > fileout
count = 29353
same count in the script yields a count of 23492
is there any reason this could be happening. (1 Reply)
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I want to display "no results found" if a grep search of a name that the user inputs is not found anywhere in a certain file,
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Hi,
I have a log file without date/time, and I want that everytime tail|grep find something it displays the date/time and the line. I have tried something like this command but without any luck to display the date/time:
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I'm using the command grep -l XYZ to get a list of files containing the string XYZ. Then I using the comand ls -l ABC to get the create date timestamp of the each file. I've tried combining the comands using the pipe command, grep -l XYZ | ls -l, but its not working. What am I doing wrong? (3 Replies)
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Can I modify the grep command to show only a process name?
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Hi,
I am currently reading a tar file and searching for a particular word using grep e.g. Plane. At the moment, if a sentence is found with the word "Plane" the sentence itself is piped to another file.
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Hello Guys,
I have created function which is as follow:
tail -f filename |grep "Key word"
output from this command
19-11-2011 21:09:15,234 - INFO Numbement - error number:result = :11
19-11-2011 21:09:15,286 - INFO Numbement - error number:result = :11
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Hi,
i have a file hello.log which as several line that look like the below
2015-12-07 09:46:56 0:339 120.111.12.12 POST /helloWorld
2015-12-07 09:46:57 0:439 122.111.12.12 POST /helloWorld
....
when i grep expecting to see results like the below.
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LEARN ABOUT OSF1
next
next(1) General Commands Manual next(1) NAME
next - show the next message (only available within the message handling system, mh) SYNOPSIS
next [+foldername] [-[no]header] [-help] [-showproc program] [-noshowproc] [options to showproc] OPTIONS
Displays a one-line header before the message. The header consists of the name of the folder and the message number. This is the default behavior. It can be suppressed with the -noheader option. Prints a list of the valid options to this command. Specifies an alternative program to list messages. The default is to use the program defined by the showproc: entry in the file. As with show, you can give options to the showproc program at the command line. These are passed directly to showproc by next. (If you specify an option that has a numerical value, leave no space between the argument and the value. See RESTRICTIONS for more information.) The defaults for this command are: +folder defaults to the current folder -header DESCRIPTION
The command next displays the next message in the current folder. The next message is the one after the current message in the folder. The message that is shown becomes the current message. If you name a folder using the +folder argument, next displays the next message in the folder you specify. That folder becomes the current folder. RESTRICTIONS
The next command is really a link to the show program. As a result, if you make a link to next and that link is not called next, your link will act like show instead. To avoid this, add a profile-entry for the link to your and add the argument next to the entry. Also, if you use the showproc switch to specify an alternative viewer, leave no space between the options specified with the viewer and their values. For example, if you want to use the more command to scroll through messages in your inbox folder, and you want to pause every five lines, you would enter the following command, where there is no space between the option n and the value 5: % next +inbox -showproc more -n5 If there is space between the option n and the value 5, the command interprets 5 as a message number to view. PROFILE COMPONENTS
Path: To determine the user's Mail directory showproc: Program to show the message FILES
The user profile. SEE ALSO
show(1), prev(1), mh_profile(4) next(1)