Sponsored Content
Top Forums Shell Programming and Scripting Print line if first Field matches a pattern Post 302274663 by summer_cherry on Thursday 8th of January 2009 05:07:13 AM
Old 01-08-2009
Code:
awk '$1~/[0-9]*\.[0-9]*/{print}' a.txt

 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Displaying lines of a file where the second field matches a pattern

Howdy. I know this is most likely possible using sed or awk or grep, most likely a combination of them together, but how would one go about running a grep like command on a file where you only try to match your pattern to the second field in a line, space delimited? Example: You are... (3 Replies)
Discussion started by: LordJezoX
3 Replies

2. Shell Programming and Scripting

Print word 1 in line 1 and word 2 in line 2 if it matches a pattern

i have a file in this pattern MATCH1 word1 IMAGE word3 word4 MATCH2 word1 word2 word3 word4 MATCH2 word1 word2 word3 word4 MATCH2 word1 word2 word3 word4 MATCH2 word1 word2 word3 word4 MATCH1 word1 IMAGE word3 word4 MATCH2 word1 word2 word3 word4 MATCH2 word1 word2 word3 word4 MATCH2 word1... (7 Replies)
Discussion started by: bangaram
7 Replies

3. Shell Programming and Scripting

How to print line if field matches?

Hi all, I got several lines line this a b c d e 1 e a 1 c d e 3 f a b c 1 e 8 h a b c d e 1 w a 1 c d e 2 w a b c d e 1 t a b c d e 7 4 How can I print the line if 1 is the field one before the last field? Basicly this 2 field ? a b c d e 1 e a b c d e 1 t The file I got is... (7 Replies)
Discussion started by: stinkefisch
7 Replies

4. Shell Programming and Scripting

awk to sum specific field when pattern matches

Trying to sum field #6 when field #2 matches string as follows: Input data: 2010-09-18-20.24.44.206117 UOWEXEC db2bp DB2XYZ hostname 1 2010-09-18-20.24.44.206117 UOWWAIT db2bp DB2XYZ hostname ... (3 Replies)
Discussion started by: ux4me
3 Replies

5. Shell Programming and Scripting

print the last line of an recurring pattern on the 3rd field

How can i awk/sed to print the last line of an recurring pattern on the 3rd field? Input lines: 123456.1 12 1357911 11111.1 01 123456.2 12 1357911 11111.2 02 123456.3 12 1357911 11111.3 03 123456.4 12 1357911 11111.4 04 123456.5 12 1357911 11111.5 05 246810.1 12 1357911 22222.1 01... (4 Replies)
Discussion started by: ux4me
4 Replies

6. UNIX for Dummies Questions & Answers

Match pattern in a field, print pattern only instead of the entire field

Hi ! I have a tab-delimited file, file.tab: Column1 Column2 Column3 aaaaaaaaaa bbtomatoesbbbbbb cccccccccc ddddddddd eeeeappleseeeeeeeee ffffffffffffff ggggggggg hhhhhhtomatoeshhh iiiiiiiiiiiiiiii ... (18 Replies)
Discussion started by: lucasvs
18 Replies

7. Shell Programming and Scripting

Displaying the first field if the second field matches the pattern using Perl

Hi, I am trying with the below Perl command to print the first field when the second field matches the given pattern: perl -lane 'open F, "< myfile"; for $i (<F>) {chomp $i; if ($F =~ /patt$/) {my $f = (split(" ", $i)); print "$f";}} close F' dummy_file I know I can achieve the same with the... (7 Replies)
Discussion started by: royalibrahim
7 Replies

8. Shell Programming and Scripting

Using regex's from file1, print line and line after matches in file2

Good day, I have a list of regular expressions in file1. For each match in file2, print the containing line and the line after. file1: file2: Output: I can match a regex and print the line and line after awk '{lines = $0} /Macrosiphum_rosae/ {print lines ; print lines } ' ... (1 Reply)
Discussion started by: pathunkathunk
1 Replies

9. Shell Programming and Scripting

awk to print the line that matches and the next if line is wrapped

I have a file and when I match the word "initiators" in the first column I need to be able to print the rest of the columns in that row. This is fine for the most part but on occasion the "initiators" line gets wrapped to the next line. Here is a sample of the file. caw-enabled ... (3 Replies)
Discussion started by: kieranfoley
3 Replies

10. Shell Programming and Scripting

Egrep patterns in a file and limit number of matches to print for each pattern match

Hi I need to egrep patterns in a file and limit number of matches to print for each matched pattern. -m10 option is not working out in my sun solaris 5.10 Please guide me the options to achieve. if i do head -10 , i wont be getting all pattern match results as output since for a... (10 Replies)
Discussion started by: ananan
10 Replies
fmlgrep(1F)							   FMLI Commands						       fmlgrep(1F)

NAME
fmlgrep - search a file for a pattern SYNOPSIS
fmlgrep [-b] [-c] [-i] [-l] [-n] [-s] [-v] limited_regular_expression [filename...] DESCRIPTION
fmlgrep searches filename for a pattern and prints all lines that contain that pattern. fmlgrep uses limited regular expressions (expres- sions that have string values that use a subset of the possible alphanumeric and special characters) like those described on the regexp(5) manual page to match the patterns. It uses a compact non-deterministic algorithm. Be careful when using FMLI special characters (for instance, $, `, ', ") in limited_regular_expression. It is safest to enclose the entire limited_regular_expression in single quotes ' ... '. If filename is not specified, fmlgrep assumes standard input. Normally, each line matched is copied to standard output. The file name is printed before each line matched if there is more than one input file. OPTIONS
The following options are supported: -b Precede each line by the block number on which it was found. This can be useful in locating block numbers by context (first block is 0). -c Print only a count of the lines that contain the pattern. -i Ignore upper/lower case distinction during comparisons. -l Print only the names of files with matching lines, separated by new-lines. Does not repeat the names of files when the pattern is found more than once. -n Precede each line by its line number in the file (first line is 1). -s Suppress error messages about nonexistent or unreadable files. -v Print all lines except those that contain the pattern. EXIT STATUS
The following exit values are returned: 0 if the pattern is found (that is, TRUE) 1 if the pattern is not found (that is, FALSE) 2 if an invalid expression was used or filename is inaccessible ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
egrep(1), fgrep(1), fmlcut(1F), grep(1), attributes(5), regexp(5) NOTES
Lines are limited to BUFSIZ characters; longer lines are truncated. BUFSIZ is defined in /usr/include/stdio.h. If there is a line with embedded nulls, fmlgrep will only match up to the first null; if it matches, it will print the entire line. SunOS 5.10 28 Mar 1995 fmlgrep(1F)
All times are GMT -4. The time now is 11:29 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy