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Full Discussion: Egrep help needed?
Top Forums UNIX for Advanced & Expert Users Egrep help needed? Post 302748447 by Yoda on Wednesday 26th of December 2012 01:06:06 AM
Old 12-26-2012
Yes.

-E option interprets PATTERN as an extended regular expression. So you don't have to use the back-slashed versions. Since I did not use this option I had to use back-slashed versions.

I hope you understood.

Last edited by Yoda; 12-26-2012 at 02:12 AM.. Reason: fixed typo
 

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LID(1)								   User Commands							    LID(1)

NAME
lid - Query ID database and report results SYNOPSIS
lid [OPTION]... PATTERN... DESCRIPTION
Query ID database and report results. By default, output consists of multiple lines, each line containing the matched identifier followed by the list of file names in which it occurs. -f, --file=FILE file name of ID database -i, --ignore-case match PATTERN case insensitively -l, --literal match PATTERN as a literal string -r, --regexp match PATTERN as a regular expression -w, --word match PATTERN as a delimited word -s, --substring match PATTERN as a substring Note: If PATTERN contains extended regular expression metacharacters, it is interpreted as a regular expression substring. Other- wise, PATTERN is interpreted as a literal word. -k, --key=STYLE STYLE is one of `token', `pattern' or `none' -R, --result=STYLE STYLE is one of `filenames', `grep', `edit' or `none' -S, --separator=STYLE STYLE is one of `braces', `space' or `newline' and only applies to file names when `--result=filenames' The above STYLE options control how query results are presented. Defaults are --key=token --result=filenames --separator=space -F, --frequency=FREQ find tokens that occur FREQ times, where FREQ is a range expressed as `N..M'. If N is omitted, it defaults to 1, if M is omitted it defaults to MAX_USHRT -a, --ambiguous=LEN find tokens whose names are ambiguous for LEN chars -x, --hex only find numbers expressed as hexadecimal -d, --decimal only find numbers expressed as decimal -o, --octal only find numbers expressed as octal By default, searches match numbers of any radix. --help display this help and exit --version output version information and exit REPORTING BUGS
Report bugs to bug-idutils@gnu.org lid - 4.5 August 2012 LID(1)
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