Strip out the string

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Strip leading and numbers from a string.

Hello I have two vars loaded with $VAR1="ISOMETHING103" $VAR2="COTHERTHING04" I need to: 1) Strip the first char. Could be sed 's/^.//' 2) The number has it's rules. If it has "hundreds", it needs to be striped. If it is just two digits it shouldn't. So, for VAR1 output should be...

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Strip First few Characters

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strip error

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4. Shell Programming and Scripting

Strip a string in sh

I have a list of servers that I need my script to ping however this list also has the env they belong too such as SIT, PRD, warehouse and so on. The break character for each section is : A value in my list would look like this... brutus.grhq.xxx.com:warehouse Where brutus.grhq.gfs.com is...

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How to strip out common terms in string

Hi, I have this kinda of data:- 0,0,0,0,1,2,0,4,5,6,7,foo 0,0,0,0,1,4,0,5,5,5,5,foo1 0,0,6,0,1,6,0,6,1,2,3,orange etc... I wanted to remove the 0 which occur on the same rows of foo,foo1 and orange in this case. Desired output is:- 0,1,2,4,5,6,7,foo 0,1,4,5,5,5,5,foo1...

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Strip command

I am new in Unix. I go through the man strip. But did not understand that, why when we have -G (debug and release ) option in the compiler, than using strip command to strip the debug information from the objects. i want to binary for teh production i will compile it without debug option. What the...

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Need to strip a string

I have a file that looks like this: /home/fred/opt/bin /opt/usr/bin /usr/sbin/var/opt I need a way to chop of everything after the last occurance of the / sign including the /. So the file above will now look like this below. /home/fred/opt /opt/usr /usr/sbin/var I tried using...

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Strip all non-alphanumerics

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9. Shell Programming and Scripting

How to strip strins

Guys, Please can someone tell me how to strip each string from the following ? TABLE1||METHOD||TYPE||STATUS||DATE What i need is to assign each value to the variable TABLE1 to var1 METHOD to var2 and so on If there is NULL in one of them, something like A||B||||C|| I want the...

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