delete lines form file Post: 302493509

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1. UNIX for Dummies Questions & Answers

delete lines in a file

I've got a file like this: Grid-ref= 443, 229 167 169 204 233 290 309 308 326 300 251 194 161 148 189 228 251 296 329 331 338 308 263 219 179 178 203 215 252 277 319 327 335 312 264 196 149 120 172 226 253 297 329 323 322 305 242 203 136 ...

2. Shell Programming and Scripting

Random lines selection form a file.

>cat data.dat 0001 Robbert 0002 Nick 0003 Mark ....... 1000 Jarek

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How to extract visually blank lines form the file

Hi, Could some one help me to get rid of visually blank lines from a file using shell or awk or sed (on Solaris machine)? When I use grep grep -v ^$ inputfile >outputfile it removes some blank lines.. but it seems some tab plus space balnk lines remains. thaen I used "grep -v '^]*$' ...

4. UNIX for Dummies Questions & Answers

Delete same lines out of file.

hello... I have a file with a list of filepaths in it, like so: delMe.txt (files to be deleted) ./root/index.php ./root/language/se/home.inc.php ./root/language/pl/home.inc.php Now here's what I'm trying to do. I want any lines in the above file (delMe.txt) to be deleted out of the...

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How to delete lines in a file that have duplicates or derive the lines that aper once

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.

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How get only required lines & delete the rest of the lines in file

Hiiii I have a file which contains huge data as a.dat: PDE 1990 1 9 18 51 28.90 24.7500 95.2800 118.0 6.1 0.0 BURMA event name: 010990D time shift: 7.3000 half duration: 5.0000 latitude: 24.4200 longitude: 94.9500 depth: 129.6000 Mrr: ...

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In a huge file, Delete duplicate lines leaving unique lines

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. I dont know if this works : I want to read each line of the File in a For Loop, and want to...

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Remove x lines form top and y lines form bottom using AWK?

How to remove x lines form top and y lines form bottom. This works, but like awk only cat file | head -n-y | awk 'NR>(x-1)' so remove last 3 lines and 5 firstcat file | head -n-3 | awk 'NR>4'

9. Shell Programming and Scripting

Delete 40 lines after every 24 lines from a file

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,

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Delete Some Lines from File

LEARN ABOUT PHP

set_color

set_color(1)							       fish							      set_color(1)

NAME

       set_color - set_color - set the terminal color

set_color - set the terminal color
   Synopsis
       set_color [-v --version] [-h --help] [-b --background COLOR] [COLOR]

   Description
       Change the foreground and/or background color of the terminal. COLOR is one of black, red, green, brown, yellow, blue, magenta, purple,
       cyan, white and normal.

       o -b, --background Set the background color

       o -c, --print-colors Prints a list of all valid color names

       o -h, --help Display help message and exit

       o -o, --bold Set bold or extra bright mode

       o -u, --underline Set underlined mode

       o -v, --version Display version and exit

       Calling set_color normal will set the terminal color to whatever is the default color of the terminal.

       Some terminals use the --bold escape sequence to switch to a brighter color set. On such terminals, set_color white will result in a grey
       font color, while set_color --bold white will result in a white font color.

       Not all terminal emulators support all these features. This is not a bug in set_color but a missing feature in the terminal emulator.

       set_color uses the terminfo database to look up how to change terminal colors on whatever terminal is in use. Some systems have old and
       incomplete terminfo databases, and may lack color information for terminals that support it. Download and install the latest version of
       ncurses and recompile fish against it in order to fix this issue.

Version 1.23.1							  Sun Jan 8 2012						      set_color(1)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

delete lines in a file

Discussion started by: su_in99

2. Shell Programming and Scripting

Random lines selection form a file.

Discussion started by: McLan

3. Shell Programming and Scripting

How to extract visually blank lines form the file

Discussion started by: hadsuresh

4. UNIX for Dummies Questions & Answers

Delete same lines out of file.

Discussion started by: jzacsh