How reverse cut or read rows of lines Post: 302127628

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1. Shell Programming and Scripting

Need to read a file in reverse

I have to extract data from a text file which is huge in size >>10GB. ie between two strings. If I do an ordinary sed it takes forever to come out. I was wondering if there was anyway to do the entire process in reverse and on finding the relevant string is there any way to break out of the...

2. HP-UX

Cut rows

Hi, I have a requirement to search for two words and grep all the lines between them. For e.g. : $cat file.dat abc,To,number acd,To,cnz \* flexibile select *\ bcd,To,lla anz,From,kln app,From,lpz I need to get all the lines between the lines cantaining word 'acd' and 'anz'. the...

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read line in reverse order from file

dear all i want to read 5th no of line from last line of file. kindly suggest me possible ways. rgds jaydeep

4. Shell Programming and Scripting

cut a field, but with reverse order

Hi Everyone, I have one a.txt: a b 001 c b b 002 c c c, not 002 c The output should be 001 002 002 If i use cut -f 3 -d' ', this does not work on the 3rd line, so i thought is any way to cut the field counting from the end? or any perl thing can do this?:confused: ...

5. Shell Programming and Scripting

Print rows in reverse order if values decrease along the column

Hi, Guys. Please help me to find solution to this problem using shell scripting. I have an INPUT file with 4 columns separated by tab. Each block of records is separated by ----- ----- Sample1 5402 6680 Pattern01 Sample2 2216 2368 Pattern02...

6. Shell Programming and Scripting

CUT command delimiter in reverse

Hi, I've a situation where, a=xxx.yyy.zzz.txt EXTN=`echo $a | cut -d . -f2` Using the above code it delimites and will return "yyy.zzz.txt" to EXTN. But i need to get only the extension "txt". so as per the above code it delimits in the first "." itself. Can anyone help how to do...

7. Shell Programming and Scripting

Cut or awk in reverse

I may be making this too hard on myself, but I'm trying to find a way that I can use a cut or awk string to always remove the last two delimited fields of a string. Say I have PackageName-U939393-8.2.3.4.s390x.rpm But the s390x could be any string w/o periods in it, x8664 for example,...

8. Shell Programming and Scripting

How to cut the particular string and increment the rows?

Hi am using unix aix I have tried using awk but am getting only output = x ,its not incrementing next output set -A var1 vv qa za ct=0 i=3 while do var1=`echo ${var1}` count=`awk ' NR==$i++ {print;exit}' ${.txt} | cut -c5 ` echo $count let ct=ct+1 done

9. Shell Programming and Scripting

Reverse even lines

I'm trying to reverse every even line in my file using the awk command below but it prints only the odd lines but nothing else: $ awk '(NR % 2) {print}; !(NR % 2) {print | "rev";}' myfile Any idea what I might have done wrong? Thank you.

10. UNIX for Dummies Questions & Answers

How to cut part of a string in reverse?

Hi, how to cut part of a string sing delimiter in reverse input file 1,2,st-pa-tr-01,2,3,4, 2,3,ff-ht-05,6,7,8 how can i obtain strings till st-pa-tr ff-ht i.e cutting the last part og string -01 and -05 Thanks & Regards Nivi edit by bakunin: changed thread title (typo)

LEARN ABOUT SUSE

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)

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1. Shell Programming and Scripting

Need to read a file in reverse

Discussion started by: scorreg

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Cut rows

Discussion started by: obedkhan

3. Shell Programming and Scripting

read line in reverse order from file

Discussion started by: jaydeep_sadaria

4. Shell Programming and Scripting

cut a field, but with reverse order

Discussion started by: jimmy_y