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Top Forums UNIX for Advanced & Expert Users sed REGEX to print multiple occurrences of a pattern from a line Post 302952601 by Vidhyaprakash on Thursday 20th of August 2015 09:49:27 AM
Old 08-20-2015
sed REGEX to print multiple occurrences of a pattern from a line

I have a line that I need to parse through and extract a pattern that occurs multiple times in it.

Example line:

Code:
getInfoCall: [ call=1 origin=AAAA ] info received please proceed, getInfoCall: [ call=3 origin=BBBB ] info received please proceed, getInfoCall: [ call=5 origin=CCCC ] info received please proceed, getInfoCall: [ call=2 origin=DDDD ] info received please proceed, getInfoCall: [ call=4 origin=EEEE ] info received please proceed

And I need to pull only the "call=1 origin=EEEE" patterns from this line. Like

Code:
call=1 origin=AAAA
call=2 origin=DDDD
call=3 origin=BBBB
call=4 origin=EEEE
call=5 origin=CCCC

I know we can do it with awk easily. But trying to know if there is a way we can try with SED regex.

Tried below and got only the last part of it.

Code:
echo "above string" | sed -e 's/.*\(call=[0-9]\) \(origin=[A-Z]\{4\}\).*/\1 \2/g'

call=4 origin=EEEE

Please help. Smilie
 

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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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