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1. UNIX for Beginners Questions & Answers
Hi all, I was wondering if anyone would know how to search & delete inclusively between two lines, please:
Important:
There are multiple }; lines. I'm curious how to delete the correct one only.
Line numbers may vary each time this script is run.
For example, I'd like to delete only the... (6 Replies)
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2. Shell Programming and Scripting
Hi,
cat test.txt
BlankLine
BlankLine
BlankLine
BlankLine
ello
hi
helo
BlankLine
BlankLine
heylo
BlankLine
BlankLine
BlankLine
done
BlankLine
BlankLine
BlankLine (1 Reply)
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3. Shell Programming and Scripting
Hello,
I have file of more than 10000 lines.
I want to delete 40 lines after every 20 lines.
e.g from a huge file, i want to delete line no from 34 - 74, then 94 - 134 etc and so on.
Please let me know how i can do it.
Best regards, (11 Replies)
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Hello,
I'm trying to figure out how to use sed or awk to delete single lines in a file. By single, I mean lines that are not touching any other lines (just one line with white space above and below).
Example:
one
two
three
four
five
six
seven
eight
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5. Shell Programming and Scripting
hey guys,
I tried searching but most 'search and replace' questions are related to one liners.
Say I have a file to be replaced that has the following:
$ cat testing.txt
TESTING
AAA
BBB
CCC
DDD
EEE
FFF
GGG
HHH
ENDTESTING
This is the input file: (3 Replies)
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Hi All,
I have a very huge file (4GB) which has duplicate lines. I want to delete duplicate lines leaving unique lines. Sort, uniq, awk '!x++' are not working as its running out of buffer space.
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7. Shell Programming and Scripting
Input:
a
b
b
c
d
d
I need:
a
c
I know how to get this (the lines that have duplicates) :
b
d
sort file | uniq -d
But i need opossite of this. I have searched the forum and other places as well, but have found solution for everything except this variant of the problem. (3 Replies)
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I have a files in a directory in this format
data
data
data
---BEGIN CERT-----
data
data
data
---END CERT -----
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Hi all,
I have the following data in a file x.csv:
> ,this is some text here
> ,,,,,,,,,,,,,,,,2006/11/16,0.23
> ,,,,,,,,,,,,,,,,2006/12/16,0.88
< ,,,,,,,,,,,,,,,,this shouldnt be deleted
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10. Shell Programming and Scripting
I have a file containing the following contents
All of us, including Zippy, our dog
All of us, including Zippy and Zippy
All of us, including Zippy and Zippy and Zelda
Testing All of us Zippy
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PLMERIDIANS(3plplot) PLplot API PLMERIDIANS(3plplot)
NAME
plmeridians - Plot latitude and longitude lines.
SYNOPSIS
plmeridians(mapform, dlong, dlat, minlong, maxlong, minlat, maxlat)
DESCRIPTION
Displays latitude and longitude on the current plot. The lines are plotted in the current color and line style.
Redacted form: General: plmeridians(mapform, dlong, dlat, minlong, maxlong, minlat, maxlat) F95, Java, Perl/PDL, Python: Not implemented?
This function is used in example 19.
ARGUMENTS
mapform (void (*) (PLINT, PLFLT *, PLFLT *), input)
A user supplied function to transform the coordinate longitudes and latitudes to a plot coordinate system. By using this trans-
form, we can change from a longitude, latitude coordinate to a polar stereographic project, for example. Initially, x[0]..[n-1]
are the longitudes and y[0]..y[n-1] are the corresponding latitudes. After the call to mapform(), x[] and y[] should be replaced
by the corresponding plot coordinates. If no transform is desired, mapform can be replaced by NULL.
dlong (PLFLT, input)
The interval in degrees at which the longitude lines are to be plotted.
dlat (PLFLT, input)
The interval in degrees at which the latitude lines are to be plotted.
minlong (PLFLT, input)
The value of the longitude on the left side of the plot. The value of minlong must be less than the value of maxlong, and the
quantity maxlong-minlong must be less than or equal to 360.
maxlong (PLFLT, input)
The value of the longitude on the right side of the plot.
minlat (PLFLT, input)
The minimum latitude to be plotted on the background. One can always use -90.0 as the boundary outside the plot window will be
automatically eliminated. However, the program will be faster if one can reduce the size of the background plotted.
maxlat (PLFLT, input)
The maximum latitudes to be plotted on the background. One can always use 90.0 as the boundary outside the plot window will be
automatically eliminated.
AUTHORS
Geoffrey Furnish and Maurice LeBrun wrote and maintain PLplot. This man page was automatically generated from the DocBook source of the
PLplot documentation, maintained by Alan W. Irwin and Rafael Laboissiere.
SEE ALSO
PLplot documentation at http://plplot.sourceforge.net/resources.
August, 2012 PLMERIDIANS(3plplot)