04-23-2012
Anything you have tried so far?
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Hello,
Can anybody help me to correct my sed syntax to find the string and print previous two lines and current line and next one line.
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2. Shell Programming and Scripting
HI,
cat test
abc
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output is
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the needed output is
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3. Shell Programming and Scripting
Hi all,
This should be very easy but I can't figure it out...
I have a file that looks like this:
@SRR057408.1 FW8Y5CK02R652T length=34
AGCAGTGGTATCAACGCAGAGTAAGCAGTGGTAT
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4. Shell Programming and Scripting
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Log EXAMPLE :
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2345
2346
Error
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Hi,
Please have a look on below records.
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if the first string matches then print the previous line and current line and also print the following lines if the other string search matches.
Input
------
TranTime 2012 10 12
The Record starts here
Accountnumber: 4632473431274
TxnCode 323
TranID 329473242834
ccsdkcnsdncskd... (7 Replies)
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Dear all
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RADIO X-CEIVER ADMINISTRATION
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Hi All
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Hello.
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LOOK(1) BSD General Commands Manual LOOK(1)
NAME
look -- display lines beginning with a given string
SYNOPSIS
look [-df] [-t termchar] string [file]
DESCRIPTION
The look utility displays any lines in file which contain string as a prefix. As look performs a binary search, the lines in file must be
sorted.
If file is not specified, the file /usr/share/dict/words is used, only alphanumeric characters are compared and the case of alphabetic char-
acters is ignored.
Options:
-d Dictionary character set and order, i.e. only alphanumeric characters are compared.
-f Ignore the case of alphabetic characters.
-t Specify a string termination character, i.e. only the characters in string up to and including the first occurrence of termchar are
compared.
The look utility exits 0 if one or more lines were found and displayed, 1 if no lines were found, and >1 if an error occurred.
FILES
/usr/share/dict/words the dictionary
COMPATIBILITY
The original manual page stated that tabs and blank characters participated in comparisons when the -d option was specified. This was incor-
rect and the current man page matches the historic implementation.
SEE ALSO
grep(1), sort(1)
HISTORY
look appeared in Version 7 AT&T UNIX.
BSD
June 14, 1993 BSD