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Top Forums Shell Programming and Scripting UNIX Shell Script Help for pattern search Post 302952375 by Santanu2015 on Tuesday 18th of August 2015 11:25:04 AM
Old 08-18-2015
Thanks to all of you. What I tried initially was ,

1. grep -o '@' <full file name>
2. grep "@" <full file name> | awk -F 'FS' 'BEGIN{FS="@"}{for (i=1;i<=NF;i++) {printf $i FS}}'

and in sed it was not so handy.

I was not able to get the result before which I am getting now after help from you guys. Thanks again.

Santanu

Last edited by Corona688; 08-18-2015 at 12:30 PM..
 

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GREP(1) 						      General Commands Manual							   GREP(1)

NAME
grep - search a file for lines containing a given pattern SYNOPSIS
grep [-elnsv] pattern [file] ... OPTIONS
-e -e pattern is the same as pattern -c Print a count of lines matched -i Ignore case -l Print file names, no lines -n Print line numbers -s Status only, no printed output -v Select lines that do not match EXAMPLES
grep mouse file # Find lines in file containing mouse grep [0-9] file # Print lines containing a digit DESCRIPTION
Grep searches one or more files (by default, stdin) and selects out all the lines that match the pattern. All the regular expressions accepted by ed and mined are allowed. In addition, + can be used instead of * to mean 1 or more occurrences, ? can be used to mean 0 or 1 occurrences, and | can be used between two regular expressions to mean either one of them. Parentheses can be used for grouping. If a match is found, exit status 0 is returned. If no match is found, exit status 1 is returned. If an error is detected, exit status 2 is returned. SEE ALSO
cgrep(1), fgrep(1), sed(1), awk(9). GREP(1)
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