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Shell Programming and Scripting
Delete the lines before the first instance of the keyword
Post 302338529 by rdhanek on Tuesday 28th of July 2009 07:28:42 AM
07-28-2009
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10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi,
How to cut all lines in file before keyword?
from
1 2333214 word ...... some text
2 234343 234234 word ...... some text
3 234324 324 3234 word ...... some text
to
1 2333214
2 234343 234234
3 234324 324 3234 (4 Replies)
Discussion started by: Trump
4 Replies
2. Shell Programming and Scripting
I am trying to delete key word starting with x in a unix text file.
example, I am trying to delete the words like xaa,xabxbb,xbd and so on....
my input file is some thing like this
xaaa w 1234 5678
rwsd ravi xw123
xbc3 ohrd
want to delete words xaaa,xw123 and xbc3 from the above... (10 Replies)
Discussion started by: rdhanek
10 Replies
3. Shell Programming and Scripting
I have my input sometyhing like this
aaa
bbbbbb cccccc
ddddd eeeee
1234 ravi kumar
aaaaaa vvvvvvv
5678 ravi kumar
rrrrrrr mmmmmmm
I want the output as follows.
aaa
bbbbbb cccccc
ddddd eeeee
1234 ravi kumar
aaaaaa vvvvvvv
5678 ravi kumar (2 Replies)
Discussion started by: rdhanek
2 Replies
4. Shell Programming and Scripting
I have my data something like this
I need to search for the keyword yyyy in the susequent lines and if it is present, delete the second line with keyword.
In other words, if a keywords is found in two subsequent lines delete the second line.
input data:
aaaa bbbbb cccc dddd
xxxx... (4 Replies)
Discussion started by: rdhanek
4 Replies
5. Shell Programming and Scripting
Hi all,
I am trying to remove the words which has XYZ as a prt of that.
My input file is something like this :
PHNDAZLF-UPS-XYZ' aaaaaaa bbbbb
ADFRTEJKS-XYZ cccccccc ddddddd rrrrrr
SGETHEHDJ-ABC-RXY' hhhhh ttttt' kkkk
FHJSKSJDKD-XXX-YYY
Output expected is :
aaaaaaa... (7 Replies)
Discussion started by: rdhanek
7 Replies
6. Shell Programming and Scripting
I have an input text that looks like this (comes already sorted):
on Caturday 22 at 10:15, some event
on Caturday 22 at 10:15, some other event
on Caturday 22 at 21:30, even more events
on Funday 23 at 11:00, yet another event
I need to delete all the matching words between the lines, from... (2 Replies)
Discussion started by: GrinningArmor
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7. Shell Programming and Scripting
Hi Geeks :b:,
I need to delete a line from file that contains a particular keyword.
I had read in some forum of unix.com that below code could be used
sed "/$titlesearch/d" movielist >tmp
mv tmp movielist
But my file contains lines which contain slashes (/)
FOr eg:
/etc/movie/title/... (5 Replies)
Discussion started by: ajincoep
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8. Shell Programming and Scripting
Hi ,
I have two files, say KEY_FILE and the MAIN_FILE. I am trying to read the KEY_FILE which has only one column and look for this column data in the MAIN_FILE to extract all the rows that have this key.
I have written a script to do so, but somehow it is not returning all the rows (
It... (4 Replies)
Discussion started by: Sheel
4 Replies
9. Shell Programming and Scripting
consider the contents of a file has many stuff including few stuff that i need.. so i perfromed the below function
cat filename | grep "ALTER TABLE"
its output is as shown below
.
.
.
.
. SET @sql:=CONCAT('ALTER TABLE RecordMixProfile AUTO_INCREMENT=', @maxId) ;
SET... (14 Replies)
Discussion started by: vivek d r
14 Replies
10. Shell Programming and Scripting
I have a text and I want to extract the 4 lines following a keyword!
For example if I have this text and the keyword is AAA
hello
helloo
AAA
one
two
three
four
helloooo
hellooo
I want the output to be
one
two
three
four (7 Replies)
Discussion started by: stekanius
7 Replies
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e2undo
E2UNDO(8) System Manager's Manual E2UNDO(8) NAME
e2undo - Replay an undo log for an ext2/ext3/ext4 filesystem SYNOPSIS
e2undo [ -f ] [ -h ] [ -n ] [ -o offset ] [ -v ] [ -z undo_file ] undo_log device DESCRIPTION
e2undo will replay the undo log undo_log for an ext2/ext3/ext4 filesystem found on device. This can be used to undo a failed operation by an e2fsprogs program. OPTIONS
-f Normally, e2undo will check the filesystem superblock to make sure the undo log matches with the filesystem on the device. If they do not match, e2undo will refuse to apply the undo log as a safety mechanism. The -f option disables this safety mechanism. -h Display a usage message. -n Dry-run; do not actually write blocks back to the filesystem. -o offset Specify the filesystem's offset (in bytes) from the beginning of the device or file. -v Report which block we're currently replaying. -z undo_file Before overwriting a file system block, write the old contents of the block to an undo file. This undo file can be used with e2undo(8) to restore the old contents of the file system should something go wrong. If the empty string is passed as the undo_file argument, the undo file will be written to a file named e2undo-device.e2undo in the directory specified via the E2FSPROGS_UNDO_DIR environment variable. WARNING: The undo file cannot be used to recover from a power or system crash. AUTHOR
e2undo was written by Aneesh Kumar K.V. (aneesh.kumar@linux.vnet.ibm.com) AVAILABILITY
e2undo is part of the e2fsprogs package and is available from http://e2fsprogs.sourceforge.net. SEE ALSO
mke2fs(8), tune2fs(8) E2fsprogs version 1.44.1 March 2018 E2UNDO(8)