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Shell Programming and Scripting
Deleting column using awk
Post 302600134 by Sri3001 on Monday 20th of February 2012 07:19:47 AM
02-20-2012
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How can you delete a row if a certain column is bigger than a certain number?
I have the following input:
20080709 20081222 95750 1 0 0.02 94.88
20080709 20081222 95750 2 0 0.89 94.88
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How can you delete a row if a certain column is bigger than a certain number?
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20080709 20081222 95750 1 0 0.02 94.88
20080709 20081222 95750 2 0 0.89 94.88
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336 brtr
256 hello
Output:
brtr
hello
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Hi,
I have a tab delimited text file where the first two columns equal numbers. I want to delete all rows where the value in the first column equals the second column. How do I go about doing that? Thanks!
Input:
1 1 ABC DEF
2 2 IJK LMN
1 2 ZYX OPW
Output:
1 2 ZYX OPW (2 Replies)
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Hi,
I have a tab delimited text file where I want to delete all rows that have the same string for column 1. How do I go about doing that? Thanks!
Example Input:
aa 1
aa 2
aa 3
bb 4
bc 5
bb 6
cd 8
Output:
bc 5
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Hi I have a difficulty in writing shell script for performing the tasks.
A B C D
12 230 16 259
18 260 23 283
21 291 36 298
41 309 49 420
52 425 57 450
61 456 70 473
72 475 79 486
If the A(row no.2) < C(row no.1) then delete value A(row no.1) and so on...
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LEARN ABOUT XFREE86
gldeletelists
GLDELETELISTS(3G) GLDELETELISTS(3G) NAME
glDeleteLists - delete a contiguous group of display lists C SPECIFICATION
void glDeleteLists( GLuint list, GLsizei range ) PARAMETERS
list Specifies the integer name of the first display list to delete. range Specifies the number of display lists to delete. DESCRIPTION
glDeleteLists causes a contiguous group of display lists to be deleted. list is the name of the first display list to be deleted, and range is the number of display lists to delete. All display lists d with list <= d <= list + range - 1 are deleted. All storage locations allocated to the specified display lists are freed, and the names are available for reuse at a later time. Names within the range that do not have an associated display list are ignored. If range is 0, nothing happens. ERRORS
GL_INVALID_VALUE is generated if range is negative. GL_INVALID_OPERATION is generated if glDeleteLists is executed between the execution of glBegin and the corresponding execution of glEnd. SEE ALSO
glCallList(3G), glCallLists(3G), glGenLists(3G), glIsList(3G), glNewList(3G) GLDELETELISTS(3G)