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Shell Programming and Scripting
delete multiple lines by line number
Post 302487943 by anurag.singh on Friday 14th of January 2011 07:53:25 AM
01-14-2011
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1. Shell Programming and Scripting
Hello, I need help in appending the line number of each line to the file and also to get the total number of lines. Can somebody please help me.
I have a file say:
abc
def
ccc
ddd
ffff
The output should be:
Instance1=abc
Instance2=def
Instance3=ccc
Instance4=ddd
Instance5=ffff
... (2 Replies)
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I have been googling, but cannot find that works for me.
I have a text file tmp.out with contents:
sadfsdf sdfosuidhfousdhof soduhf osdfu osudfhosudhfd
sdfgsdfg
asdfiojhsdf asdoludhflsdjfhskldjfhsdjdlfsjdhnlj h sdja
ouahsdjdafkljsa
oljhljh
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I have a file with ~200K lines, I need to delete 4K lines in it. There is no range.
I do have the line numbers of the lines which I want to be deleted.
I did tried using
> cat del.lines
sed '510d;12d;219d;......;3999d' file
> source del.lines
Word too long.
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Hi
I am using the following command to delete a line from the file by line number:
line_number=14
sed "${line_number}d" inputfilename > newfilename
Is there a way to modify this command to specify the range of lines to be deleted, lets say from line 14 till line 5 ?
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5. Shell Programming and Scripting
Hi,
I have a huge file with a single line.
But I want to break that line into lines of with each line having five columns.
My file is like this:
code:
"hi","there","how","are","you?","It","was","great","working","with","you.","hope","to","work","you."
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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
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Hi,
I have written a script that returns the line number of the pattern i want and i stored the line number in a variable(getlinenumber).Now i want to delete all the lines in a file above this line number which is stored in a variable.
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Hi,
I have written a script that returns the line number of the pattern i want and i stored the line number in a variable.Now i want to delete all the lines in a file above this line number which is stored in a variable.
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Hello Gurus,
I have a multiple pipe separated files which have records going over multiple Lines. End of line separator is \n and records going over multiple lines have <CR> as separator. below is example from one file.
1|ABC DEF|100|10
2|PQ
RS
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Hi all,
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parameter_3 = 0
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gifbg
gifbg(1) General Commands Manual gifbg(1) NAME
gifbg - A program to generate a single-color test pattern GIF with gradually changing intensity in any of the basic 8 directions. USAGE
gifbg [-q] [-d Dir] [-l #Lvls] [-c R G B] [-m MinI] [-M MaxI] [-s W H] [-h] The gifbg program reads no input, and will dump the created GIF file to stdout. MEMORY REQUIRED
Line. OPTIONS
[-q] Quiet mode. Defaults off on MSDOS, on under UNIX. Controls printout of running scan lines. Use -q- to invert. [-d Dir] Select direction the intensity of the background should increase. Direction can be one of the 8 principal directions: T - for Top "TR" - for Top Right "R" - for Right "BR" - for Bottom Right "B" - for Bottom "BL" - for Bottom Left "L" - for left "TL" - for Top Left The compass directions may be use as synonyms for the above directions, so for example "NE" is equal to "TR". Direction is case insensitive. The default direction is Top (North). [-l #Lvls] Number of levels the color will be scaled to. Default is 16. [-c R G B] What to use as the primary background color to scale. This color is scaled between the minimum intensity (MinI) and maximum inten- sity (MaxI) from one end of the screen to the other as defined by Dir. See below (-m & -M) for MinI & MaxI. Default is Blue (0, 0, 255). [-m MinI] Minimum intensity (in percent) to scale color. Default 10% [-M MaxI] Maximum intensity (in percent) to scale color. Default 100% [-s W H] Size of image to create. Default 640 by 350. [-h] Print one line of command line help, similar to Usage above. NOTES
If MinI == MaxI = 100 (%) and #Lvls == 2 then boolean mask image of specified size will be created - all foreground. This can be used as a square mask for the <a href="gifcomb.html"> AUTHOR
Gershon Elber Man page created by T.Gridel <tgridel@free.fr>, originally written by Eric S. Raymond <esr@thyrsus.com> giflib-tools gifbg(1)