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Shell Programming and Scripting
Grep multiple patterns
Post 84253 by malaymaru on Friday 23rd of September 2005 06:56:19 AM
09-23-2005
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10 More Discussions You Might Find Interesting
1. UNIX for Dummies Questions & Answers
I want to get a list of all the files in the current directory that have two patterns. I can do first grep of one pattern and then with the output do the grep of the second pattern.
if the output of 1st pattern search results in many files, it is very difficult to do a grep of the 2nd pattern for... (1 Reply)
Discussion started by: tselvanin
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2. Shell Programming and Scripting
Hi All,
I have a file. I need to find multiple patterns in a row and need those rows to divert to new file.
I tried using grep -e / -E / -F options as given in man.
But its not working.
==> cat testgrep.txt
william,fernandes,xxxxx
mark,morsov,yyyy
yy=,xx=
yyyy=,xxxx==
==>... (7 Replies)
Discussion started by: WillImm123
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3. Shell Programming and Scripting
Hii... Every One......
I want to grep multiple patterns with space in between them.
For eg : I have a file which contains following :
red cat
every one
new one
you are
an ox
take one
Now, what I want to do is to grep " you are" , "an ox" and "red cat" from this file.
Any help........ (5 Replies)
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4. Shell Programming and Scripting
Guys,
i used egrep "pattern1|pattern2". But the whole word is searched. But i want the output if only the exact word is matched. i.e the output is got evenif a part of the pattern is matched.
I tried the -w opion but its showing usage error.
Please help me out on this one. please sent me... (2 Replies)
Discussion started by: meheretoknow
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5. Shell Programming and Scripting
Hi,
I want to list the files containing a no of pattern
like for single string i can use
grep -l "string" *
This command will enlist the files containg this string. Similarly i would like to use for multiple string.
I like to enlist file names having string1 and string 2
Can... (3 Replies)
Discussion started by: vikash_k
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6. Shell Programming and Scripting
I have a file with many rows.
I want to grep for multiple patterns from the file.
For eg:
XX=123|YY=222|ZZ=566
AA=123|EE=222|GG=566
FF=123|RR=222|GG=566
DD=123|RR=222|GG=566
I want the lines which has both XX and ZZ.
I know I can get it like this.
grep XX file | grep YY
But... (10 Replies)
Discussion started by: tene
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7. Shell Programming and Scripting
Hi,
I want to grep multiple patterns from multiple files and save to multiple outputs. As of now its outputting all to the same file when I use this command.
Input : 108 files to check for 390 patterns to check for. output I need to 108 files with the searched patterns.
Xargs -I {} grep... (3 Replies)
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8. Shell Programming and Scripting
job_count=`grep -e "The job called .* has finished | The job called .* is running" logfile.txt | wc -l`
Any idea how to count those 2 patterns so i have a total count of the finished and running jobs from the log file?
If i do either of the patterns its works okay but adding them together... (8 Replies)
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9. Shell Programming and Scripting
I am trying to grep a variable with multiple lines with multiple patterns
below is the pattern list in a variable called "grouplst", each pattern is speerated by "|"
grouplst="example1|example2|example3|example4|example5|example6|example7"
I need to use the patterns above to grep a... (2 Replies)
Discussion started by: ajetangay
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10. UNIX for Beginners Questions & Answers
I am able to grep multiple patterns which stored in a files. However, how could we replace the whole line with either the pattern or new string?
For example:
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Discussion started by: wxboo
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LEARN ABOUT OPENSOLARIS
fgrep
fgrep(1) User Commands fgrep(1) NAME
fgrep - search a file for a fixed-character string SYNOPSIS
/usr/bin/fgrep [-bchilnsvx] -e pattern_list [file...] /usr/bin/fgrep [-bchilnsvx] -f file [file...] /usr/bin/fgrep [-bchilnsvx] pattern [file...] /usr/xpg4/bin/fgrep [-bchilnqsvx] -e pattern_list [-f file] [file...] /usr/xpg4/bin/fgrep [-bchilnqsvx] [-e pattern_list] -f file [file...] /usr/xpg4/bin/fgrep [-bchilnqsvx] pattern [file...] DESCRIPTION
The fgrep (fast grep) utility searches files for a character string and prints all lines that contain that string. fgrep is different from grep(1) and from egrep(1) because it searches for a string, instead of searching for a pattern that matches an expression. fgrep uses a fast and compact algorithm. The characters $, *, [, ^, |, (, ), and are interpreted literally by fgrep, that is, fgrep does not recognize full regular expressions as does egrep. These characters have special meaning to the shell. Therefore, to be safe, enclose the entire string within single quotes (a'). If no files are specified, fgrep assumes standard input. Normally, each line that is found is copied to the standard output. The file name is printed before each line that is found if there is more than one input file. OPTIONS
The following options are supported for both /usr/bin/fgrep and /usr/xpg4/bin/fgrep: -b Precedes each line by the block number on which the line was found. This can be useful in locating block numbers by con- text. The first block is 0. -c Prints only a count of the lines that contain the pattern. -e pattern_list Searches for a string in pattern-list. This is useful when the string begins with a -. -f pattern-file Takes the list of patterns from pattern-file. -h Suppresses printing of files when searching multiple files. -i Ignores upper/lower case distinction during comparisons. -l Prints the names of files with matching lines once, separated by new-lines. Does not repeat the names of files when the pattern is found more than once. -n Precedes each line by its line number in the file. The first line is 1. -s Works silently, that is, displays nothing except error messages. This is useful for checking the error status. -v Prints all lines except those that contain the pattern. -x Prints only lines that are matched entirely. /usr/xpg4/bin/fgrep The following options are supported for /usr/xpg4/bin/fgrep only: -q Quiet. Does not write anything to the standard output, regardless of matching lines. Exits with zero status if an input line is selected. OPERANDS
The following operands are supported: file Specifies a path name of a file to be searched for the patterns. If no file operands are specified, the standard input will be used. /usr/bin/fgrep pattern Specifies a pattern to be used during the search for input. /usr/xpg4/bin/fgrep pattern Specifies one or more patterns to be used during the search for input. This operand is treated as if it were specified as -e pattern_list. USAGE
See largefile(5) for the description of the behavior of fgrep when encountering files greater than or equal to 2 Gbyte ( 2^31 bytes). ENVIRONMENT VARIABLES
See environ(5) for descriptions of the following environment variables that affect the execution of fgrep: LC_COLLATE, LC_CTYPE, LC_MES- SAGES, and NLSPATH. EXIT STATUS
The following exit values are returned: 0 If any matches are found 1 If no matches are found 2 For syntax errors or inaccessible files, even if matches were found. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: /usr/bin/fgrep +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ /usr/xpg4/bin/fgrep +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWxcu4 | +-----------------------------+-----------------------------+ |CSI |Enabled | +-----------------------------+-----------------------------+ SEE ALSO
ed(1), egrep(1), grep(1), sed(1), sh(1), attributes(5), environ(5), largefile(5), XPG4(5) NOTES
Ideally, there should be only one grep command, but there is not a single algorithm that spans a wide enough range of space-time tradeoffs. Lines are limited only by the size of the available virtual memory. /usr/xpg4/bin/fgrep The /usr/xpg4/bin/fgrep utility is identical to /usr/xpg4/bin/grep -F (see grep(1)). Portable applications should use /usr/xpg4/bin/grep -F. SunOS 5.11 24 Mar 2006 fgrep(1)