07-28-2011
Whoa! That worked. Thanks, Chubler_XL.
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1. Shell Programming and Scripting
can't figure out a way to delete multiple empty lines but keep single empty lines in a file, file is like this
#cat file
1
2
3
4
5
6
-
What I want is
1
2 (6 Replies)
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2. Shell Programming and Scripting
I am searching a dhcpd.conf to find the hardware ethernet match, then once the match is found delete just the line above it. For example:
testmachine.example {
hardware ethernet 00:00:00:00:00:00;
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next-server 192.168.1.101;
filename "linux-install/pxelinux.0";
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3. Shell Programming and Scripting
Hi,
I need help with using an awk or sed filter on the below line
ALTER TABLE "ACCOUNT" ADD CONSTRAINT "ACCOUNT_PK" PRIMARY KEY ("ACCT_ID") USING INDEX PCTFREE 10 INITRANS 2 MAXTRANS 255 STORAGE(INITIAL 65536 FREELISTS 1 FREELIST GROUPS 1) TABLESPACE "WMC_DATA" LOGGING ENABLE
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4. Shell Programming and Scripting
Hi,
I want to write a sed script which from
batiato:
batiato/giubbe:
pip_b.2.txt
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bennato:
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5. Shell Programming and Scripting
trying to use sed in finding a matching pattern in a file then deleting
the next line only .. pattern --> <ad-content>
I tried this but it results are not what I wish
sed '/<ad-content>/{N;d;}' akv.xml > akv5.xml
ex,
<Celebrant2First>Mickey</Celebrant2First>
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6. UNIX for Dummies Questions & Answers
why does sed 's/.* //' show the last word in a line
and
sed 's/ .*//' show the first word in a line? How is that blank space before or after the ".*" being interpreted in the regex?
i would think the first example would delete the first word and the next example would delete the second... (1 Reply)
Discussion started by: glev2005
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7. Shell Programming and Scripting
I have the following file:
line1
line2
MATCH
line3
line4
I need to find the pattern, "MATCH" and delete the line before and after MATCH. So the result should be
line1
MATCH
lline4
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Discussion started by: craftereric
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8. Shell Programming and Scripting
All,
I am trying to read in a variable and search a file then delete based on that string, but i want to match exact word.
This works but it matches all, i don't want to match anthing that contains the string, just the exact string.
sed -i "/$feedname/d" file
I tried
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9. Shell Programming and Scripting
Hello,
I have a file that I want to be able to insert a new line before every instance of a regex. I can get it to do this for each line that contains the regex, but not for each instance.
Contents of infile:
Test this 1...
Test this 2...
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10. Shell Programming and Scripting
Hi guys I am trying to figure out how to match a pattern with a regex up to a full blank line. I will show you what I mean with this example:
example A
movie name: ted
movie name: TMNT
movie name: Jinxed
example B
movie names:
Gravity
Faster
Turbo
song titles:
dont
hello
problem (8 Replies)
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LEARN ABOUT MOJAVE
rwbytype.d
rwbytype.d(1m) USER COMMANDS rwbytype.d(1m)
NAME
rwbytype.d - read/write bytes by vnode type. Uses DTrace.
SYNOPSIS
rwbytype.d
DESCRIPTION
This program identifies the vnode type of read/write activity - whether that is for regular files, sockets, character special devices, etc.
This is measuring at the application level, so file activity may well be cached by the system.
Since this uses DTrace, only users with root privileges can run this command.
EXAMPLES
This samples until Ctrl-C is hit.
# rwbytype.d
FIELDS
PID process ID
CMD process name
VNODE vnode type (describes I/O type)
DIR direction, Read or Write
BYTES total bytes
DOCUMENTATION
See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs may include full worked examples with ver-
bose descriptions explaining the output.
EXIT
rwbytype.d will sample until Ctrl-C is hit.
AUTHOR
Brendan Gregg [Sydney, Australia]
SEE ALSO
rwbypid.d(1M), rwbbypid.d(1M), dtrace(1M)
version 0.70 Jan 11, 2006 rwbytype.d(1m)