I believe this does what you want:
----------------------------
Oops. I looked too closely at the expected output and missed the part about needing SEARCHPATTERN. The above script happens to work with the sample input, but is not correct in the general case.
What I should have said is something more like:
but elixir_sinari's proposal is shorter and should work fine as long as the input file doesn't violate the assumptions made. And, given the sample input, the assumptions look perfectly reasonable to me.
Last edited by Don Cragun; 12-02-2012 at 07:59 AM..
This User Gave Thanks to Don Cragun For This Post:
Sample input:
Loading File System
Networking in nature
Closing the System
now i need to extract the patterns between the words File and Closing:
i.e. sample output:
System
Networking in Nature
Thanks in advance !!!!!!!!!!!!!!!!! (6 Replies)
Hi All,
I tried extracting this pattern using grep but it did not work.
What I have is a file which has contents like this:
file:///channel/add-adhd.html
file:///channel/allergies.html
file:///channel/arthritis.html
http://mail.yahoo.com/
http://messenger.yahoo.com/... (2 Replies)
Hi All,
I have a file which looks like this:
Name1;A01
Name2;A01.047
Name3;A01.047.025
Newname1;B01
NewName2;B01.056.32
NewName3;B04.09.43
NewNewName1;C01.03
NewNewName2;C01.034.44As you can see, in the file there is some name and followed by the name is some identifier. These... (5 Replies)
Hello Perl-experts,
I am new to perl and need help to solve a problem.
I have a table in below format.
<Text A>
<Pattern1>
A Value
B Value
C Value
D Value
<Pattern2>
<Text B>
This table is in file1. I want to extract lines between Pattern1 and Pattern2 and write it into file2.... (11 Replies)
Hi All,
I want to extract the text between some pattern which occurs repeatedly in a file. For example my input is like,
/home/.....
..........java:25: cannot find symbol
............
/home/......
/home/.......
I want to display... (2 Replies)
Hi,
I have a file with many lines and need to extract lines between 2 patterns (AAA and BBB) and merge all the in-between lines into single line separated by space.
$ cat file1
blah blah blah
blah AAA
1
2
3
blah BBB
blah blah blah
blah blah blah
blah blah blah
AAA
5
6
blah blah... (4 Replies)
Hi,
I am trying to extract some patterns from a line. The input file is space delimited and i could not use column to get value after "IN" or "OUT" patterns as there could be multiple white spaces before the next digits that i need to print in the output file . I need to print 3 patterns in a... (3 Replies)
Hello.
I am not having luck with sed or awk today.
$ echo "$BrackListFinal"
DSCF3649-DSCF3651_Brkt
DSCF3649.JPG 2014-07-21 13:34:44 On 1
DSCF3649.RAF 2014-07-21 13:34:44 On 1
DSCF3650.JPG 2014-07-21 13:34:45 On 2
DSCF3650.RAF 2014-07-21 13:34:45 On 2... (3 Replies)
Hi
I have two lists of patterns named A and B consisting of around 200 entries in each and I want to extract all the sentences from a big text file which match atleast one pattern from both A and B.
For example, pattern list A consists of :
ama
ani
ahum
mari
...
...
and pattern... (1 Reply)
I have a list in the format below, how do I read through the list and extract the lines between the ##START## and ##END##, so i can check for specific values between each ##START## & ##END## pattern
##START##
RANDOMTEXT
DFGSD
SDFSDF
##END##
##START##
morestuff
sdfggfg
sdfsdf... (10 Replies)
Discussion started by: squrcles
10 Replies
LEARN ABOUT MOJAVE
tail
TAIL(1) BSD General Commands Manual TAIL(1)NAME
tail -- display the last part of a file
SYNOPSIS
tail [-F | -f | -r] [-q] [-b number | -c number | -n number] [file ...]
DESCRIPTION
The tail utility displays the contents of file or, by default, its standard input, to the standard output.
The display begins at a byte, line or 512-byte block location in the input. Numbers having a leading plus ('+') sign are relative to the
beginning of the input, for example, ``-c +2'' starts the display at the second byte of the input. Numbers having a leading minus ('-') sign
or no explicit sign are relative to the end of the input, for example, ``-n 2'' displays the last two lines of the input. The default start-
ing location is ``-n 10'', or the last 10 lines of the input.
The options are as follows:
-b number
The location is number 512-byte blocks.
-c number
The location is number bytes.
-f The -f option causes tail to not stop when end of file is reached, but rather to wait for additional data to be appended to the
input. The -f option is ignored if the standard input is a pipe, but not if it is a FIFO.
-F The -F option implies the -f option, but tail will also check to see if the file being followed has been renamed or rotated. The
file is closed and reopened when tail detects that the filename being read from has a new inode number. The -F option is ignored if
reading from standard input rather than a file.
-n number
The location is number lines.
-q Suppresses printing of headers when multiple files are being examined.
-r The -r option causes the input to be displayed in reverse order, by line. Additionally, this option changes the meaning of the -b,
-c and -n options. When the -r option is specified, these options specify the number of bytes, lines or 512-byte blocks to display,
instead of the bytes, lines or blocks from the beginning or end of the input from which to begin the display. The default for the -r
option is to display all of the input.
If more than a single file is specified, each file is preceded by a header consisting of the string ``==> XXX <=='' where XXX is the name of
the file unless -q flag is specified.
EXIT STATUS
The tail utility exits 0 on success, and >0 if an error occurs.
SEE ALSO cat(1), head(1), sed(1)STANDARDS
The tail utility is expected to be a superset of the IEEE Std 1003.2-1992 (``POSIX.2'') specification. In particular, the -F, -b and -r
options are extensions to that standard.
The historic command line syntax of tail is supported by this implementation. The only difference between this implementation and historic
versions of tail, once the command line syntax translation has been done, is that the -b, -c and -n options modify the -r option, i.e., ``-r
-c 4'' displays the last 4 characters of the last line of the input, while the historic tail (using the historic syntax ``-4cr'') would
ignore the -c option and display the last 4 lines of the input.
HISTORY
A tail command appeared in PWB UNIX.
BSD June 29, 2006 BSD