delete line help

10 More Discussions You Might Find Interesting

1. Programming

Mismatched free() / delete / delete [] line no missing

Could you tell me the possibilities of the reason to get the Mismatched free() / delete / delete . I unable to see the line no in the valgrind report. it displays the function name. with that function name, I am not able to find where exactly the issue is there.I am getting the Mismatched free()...

2. UNIX for Dummies Questions & Answers

Script to delete files line by line in .txt document

Friends, I am in need to delete files from a directory on a regular basis. I want to place all the files to be deleted in delete .txt file and require a script to delete files, line by line from this delete.txt file. Please help me with this script as am new to unix scripting.

3. UNIX for Advanced & Expert Users

How to find a string in a line in UNIX file and delete that line and previous 3 lines ?

Hi , i have a file with data as below.This is same file. But actual file contains to many rows. i want to search for a string "Field 039 00" and delete that line and previous 3 lines in that file.. Can some body suggested me how can i do using either sed or awk command ? Field 004...

4. Shell Programming and Scripting

sed command to grep multiple pattern present in single line and delete that line

here is what i want to achieve.. i have a file with below contents cat fileName blah blah blah . .DROP this REJECT that . --sport 7800 -j REJECT --reject-with icmp-port-unreachable --dport 7800 -j REJECT --reject-with icmp-port-unreachable . . . more blah blah blah --dport 3306...

5. Shell Programming and Scripting

Delete line with match and previous line quoting/escaping problem

Hi folks, I've list of LDAP records in this format: cat cmmac.export.tmp2 dn: deviceId=0a92746a54tbmd34b05758900131136a506,ou=devices,ou=customer,ou=nl,o=upc cmmac: 00:13:11:36:a5:06 dn: deviceId=0a92746a62pbms4662299650015961cfa23,ou=devices,ou=customer,ou=nl,o=upc cmmac:...

6. Shell Programming and Scripting

Find specific line and delete line after.

I'm looking for a way to search a file, in this case init.rc for a specific match, service adbd /sbin/adbd, and delete the a specific line after it Original: # adbd is controlled by the persist.service.adb.enable system property service adbd /sbin/adbd disabled After deletion: #...

7. Shell Programming and Scripting

Sed or Grep to delete line containing patter plus extra line

I'm new to using sed and grep commands, but have found them extremely useful. However I am having a hard time figuring this one out: Delete every line containing the word CEN and the next line as well. ie. test.txt blue 324 CEN green red blue 324 CEN green red blue to produce:...

8. Shell Programming and Scripting

sed: delete regex line and next line if blank

Hi, I want to write a sed script which from batiato: batiato/giubbe: pip_b.2.txt pip_b.3.txt pip_b.3mmm.txt bennato: bennato/peterpan: 123.txt consoli: pip_a.12.txt daniele:

9. Shell Programming and Scripting

how to delete text from line starting pattern1 up to line before pattern2?

My data is xml'ish (here is an excerpt) :- <bag name="mybag1" version="1.0"/> <contents id="coins"/> <bag name="mybag2" version="1.1"/> <contents id="clothes"/> <contents id="shoes"/> <bag name="mybag3" version="1.6"/> I want to delete line containing mybag2 and its subsequent...

10. UNIX for Dummies Questions & Answers

how to delete line with matching text and line immediately after

hello experts, I have a file: File1 Sample Test1 This is a Test Sample Test2 Another Test Final Test3 A final Test I can use sed to delete the line with specific text ie: sed '/Test2/d' File1.txt > File2.txt How can I delete the line with the matching text and the line immediately...

LEARN ABOUT DEBIAN

bup-margin

bup-margin(1)						      General Commands Manual						     bup-margin(1)

NAME

       bup-margin - figure out your deduplication safety margin

SYNOPSIS

       bup margin [options...]

DESCRIPTION

       bup margin  iterates  through  all  objects  in	your  bup repository, calculating the largest number of prefix bits shared between any two
       entries.  This number, n, identifies the longest subset of SHA-1 you could use and still encounter a collision between your object ids.

       For example, one system that was tested had a collection of 11 million objects (70 GB), and bup margin returned 45.  That  means  a  46-bit
       hash  would be sufficient to avoid all collisions among that set of objects; each object in that repository could be uniquely identified by
       its first 46 bits.

       The number of bits needed seems to increase by about 1 or 2 for every doubling of the number of objects.  Since SHA-1 hashes have 160 bits,
       that  leaves 115 bits of margin.  Of course, because SHA-1 hashes are essentially random, it's theoretically possible to use many more bits
       with far fewer objects.

       If you're paranoid about the possibility of SHA-1 collisions, you can monitor your repository by running bup margin occasionally to see	if
       you're getting dangerously close to 160 bits.

OPTIONS

       --predict
	      Guess  the offset into each index file where a particular object will appear, and report the maximum deviation of the correct answer
	      from the guess.  This is potentially useful for tuning an interpolation search algorithm.

       --ignore-midx
	      don't use .midx files, use only .idx files.  This is only really useful when used with --predict.

EXAMPLE

	      $ bup margin
	      Reading indexes: 100.00% (1612581/1612581), done.
	      40
	      40 matching prefix bits
	      1.94 bits per doubling
	      120 bits (61.86 doublings) remaining
	      4.19338e+18 times larger is possible

	      Everyone on earth could have 625878182 data sets
	      like yours, all in one repository, and we would
	      expect 1 object collision.

	      $ bup margin --predict
	      PackIdxList: using 1 index.
	      Reading indexes: 100.00% (1612581/1612581), done.
	      915 of 1612581 (0.057%)

SEE ALSO

       bup-midx(1), bup-save(1)

BUP

       Part of the bup(1) suite.

AUTHORS

       Avery Pennarun <apenwarr@gmail.com>.

Bup unknown-															     bup-margin(1)

Shell Programming and Scripting