03-05-2010
Thanks to all . It works fine
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1. UNIX for Advanced & Expert Users
Hello,
I need to insert a line (like a header) as the first line of a very huge file (about 3 ml rows). I am able to do it with sed, but redirecting the output and creating a new file takes quite some time. I was wondering if there was a more efficient way of doing it?
Any help would be... (3 Replies)
Discussion started by: shriek
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2. Shell Programming and Scripting
Hello guys,
Need to know how to insert a line at top of the file, without using temp files.
Can we do it on the fly?
Regards,
Rishi (7 Replies)
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3. Shell Programming and Scripting
Hi,
My File 'temp.txt' contents are like this.
<Managers>
Mng={{FIL|FAVEI.mng|111}|15.000000|17.000000|17.000000|
Mng={{FIL|FAPSV.mng|222}|3.000000|0.000000|0.000000|0.000000|
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4. UNIX for Advanced & Expert Users
hi..i wanted to know is there any way to take input from the user and copy that a particular line number in a particular file
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5. Shell Programming and Scripting
say I want to insert "this is a test" as the first line into file A, besides
echo "this is a test" > /tmp/tmpfile
cat /tmp/tmpfile fileA >> /tmp/result,
is there any simple way I can do it? thanks (7 Replies)
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6. Programming
how to insert a line of text that is next to the current line(file pointer pointing to) in the file ?? :wall:
ex:
suppose a file named 'Sample' has the following content in it.
this is to
give clear idea about
the problem
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7. Shell Programming and Scripting
Hi,
I need to insert a new line containing the string "QUERY" above every 5 lines.
The below piece of code inserts a new line after every 5th line
awk '{print $0} !(NR%5) {print "QUERY"}'
sed 'n;n;n;n;G;' --> I do not know how to give "QUERY" string here
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8. Shell Programming and Scripting
Hi all,
I have a huge file(size more that 5GB).
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9. Shell Programming and Scripting
I have a test file that I want to read and insert only certain lines into the
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A. Date
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10. UNIX for Beginners Questions & Answers
Hi All,
I am using UNix Sun OS sun4u sparc SUNW,SPARC-Enterprise
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LEARN ABOUT REDHAT
usernetctl
USERNETCTL(8) System Manager's Manual USERNETCTL(8)
NAME
usernetctl - allow a user to manipulate a network interface if permitted
SYNOPSIS
usernetctl interface-name up|down|report
DESCRIPTION
usernetctl checks to see if users are allowed to manipulate the network interface specified by interface-name, and then tries to bring the
network interface up or down, if up or down was specified on the command line, or returns true or false status (respectively) if the report
option was specified.
usernetctl is not really meant to be called directly by users, though it currently works fine that way. It is used as a wrapper by the
ifup and ifdown scripts, so that users can do exactly the same thing as root:
ifup interface-name
ifdown interface-name
and ifup and ifdown will call usernetctl automatically to allow the interface status change.
OPTIONS
interface-name
The name of the network interface to check; for example, "ppp0". For backwards compatibility, "ifcfg-ppp0" and "/etc/sysconfig/net-
work-scripts/ifcfg-ppp0" are also supported.
up|down
Attempt to bring the interface up or down.
report Report on whether users can bring the interface up or down.
NOTES
Alternate device configurations may inherit the default configuration's permissions.
RHS
Red Hat, Inc. USERNETCTL(8)