Login or Register to Ask a Question and Join Our Community

Sponsored Content
Full Discussion: Match only a-fA-F0-9 in a file
Top Forums UNIX for Beginners Questions & Answers Match only a-fA-F0-9 in a file Post 302963286 by Aia on Monday 28th of December 2015 01:47:31 AM
Old 12-28-2015
Since you did not post any example of input or output, but rather just the not working regular expression, this is only a guess:
Drop the . (dot) in front of it. If that does not fix it, please, tell us in what way is not working, and show us some input and output.
 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to find first match and last match in a file

Hi All, I have a below file: ================== 02:53 pravin-root 02:53 pravin-root 03:05 pravin-root 02:55 pravin1-root 02:59 pravin1-root ================== How do I find the first and last value of column 1. For example, how do I find 02:53 is the first time stamp and 03:05 is... (3 Replies)
Discussion started by: praving5
3 Replies

2. Shell Programming and Scripting

Strings from one file which exactly match to the 1st column of other file and then print lines.

Hi, I have two files. 1st file has 1 column (huge file containing ~19200000 lines) and 2nd file has 2 columns (small file containing ~6000 lines). ################################# huge_file.txt a a ab b ################################## small_file.txt a 1.5 b 2.5 ab ... (4 Replies)
Discussion started by: AshwaniSharma09
4 Replies

3. UNIX for Dummies Questions & Answers

Help with AWK - Compare a field in a file to lookup file and substitute if only a match

I have the below 2 files: 1) Third field from file1.txt should be compared to the first field of lookup.txt. 2) If match found then third field, file1.txt should be substituted with the second field from lookup.txt. 3)Else just print the line from file1.txt. File1.txt:... (4 Replies)
Discussion started by: venalla_shine
4 Replies

4. Shell Programming and Scripting

Match list of strings in File A and compare with File B, C and write to a output file in CSV format

Hi Friends, I'm a great fan of this forum... it has helped me tone my skills in shell scripting. I have a challenge here, which I'm sure you guys would help me in achieving... File A has a list of job ids and I need to compare this with the File B (*.log) and File C (extend *.log) and copy... (6 Replies)
Discussion started by: asnandhakumar
6 Replies

5. Shell Programming and Scripting

Help with ksh-to read ip file & append lines to another file based on pattern match

Hi, I need help with this- input.txt : L B white X Y white A B brown M Y black Read this input file and if 3rd column is "white", then add specific lines to another file insert.txt. If 3rd column is brown, add different set of lines to insert.txt, and so on. For example, the given... (6 Replies)
Discussion started by: prashob123
6 Replies

6. Shell Programming and Scripting

Match pattern1 in file, match pattern2, substitute value1 in line

not getting anywhere with this an xml file contains multiple clients set up with same tags, different values. I need to parse the file for client foo, and change the value of tag "64bit" from false to true. cat clients.xml <Client type"FIX"> <ClientName>foo</ClientName>... (3 Replies)
Discussion started by: jack.bauer
3 Replies

7. Shell Programming and Scripting

Display match or no match and write a text file to a directory

The below bash connects to a site, downloads a file, searches that file based of user input - could be multiple (all that seems to work). What I am not able to figure out is how to display on the screen match found or no match found" and write a file to a directory (C:\Users\cmccabe\Desktop\wget)... (4 Replies)
Discussion started by: cmccabe
4 Replies

8. Shell Programming and Scripting

Rename specific file extension in directory with match to another file in bash

I have a specific set (all ending with .bam) of downloaded files in a directory /home/cmccabe/Desktop/NGS/API/2-15-2016. What I am trying to do is use a match to $2 in name to rename the downloaded files. To make things a more involved the date of the folder is unique and in the header of name... (1 Reply)
Discussion started by: cmccabe
1 Replies

9. Shell Programming and Scripting

awk to update file based on partial match in field1 and exact match in field2

I am trying to create a cronjob that will run on startup that will look at a list.txt file to see if there is a later version of a database using database.txt as the source. The matching lines are written to output. $1 in database.txt will be in list.txt as a partial match. $2 of database.txt... (2 Replies)
Discussion started by: cmccabe
2 Replies

10. Shell Programming and Scripting

Search file containing ps results for a match "my.cnf" and then for a second match . "ok:" and

I need to find two matches in the output from ps. I am searching with ps -ef |grep mysql for: my.cnf /bin/sh /usr/bin/mysqld_safe --defaults-file=/data/mysql/master/agis_core/etc/my.cnf after this match I want to search back and match the hostname which is x number of lines back, above the... (2 Replies)
Discussion started by: bash_in_my_head
2 Replies

LEARN ABOUT LINUX

tapconvert

TAPCONVERT(1)															     TAPCONVERT(1)

NAME

       tapconvert - convert Twisted configurations from one format to another

SYNOPSIS

       tapconvert -i input -o output [-f input-type] [-t output-type] [-d] [-e]

       tapconvert --help

DESCRIPTION

       The --help prints out a usage message to standard output.

       --in, -i <input file>
	      The name of the input configuration.

       --out, -o <output file>
	      The name of the output configuration.

       --typein, -f <input type>
	      The type of the input file. Can be either 'guess', 'python', 'pickle', 'xml', or	'source'. Default is 'guess'.

       --typeout, -t <output type>
	      The type of the output file. Can be either 'pickle', 'xml', or  'source'. Default is 'source'.

       --decrypt, -d
	      Decrypt the specified tap/aos/xml input file.

       --encrypt, -e
	      Encrypt output file before writing.

       --version
	      Output version information and exit.

AUTHOR

       Written by Moshe Zadka, based on tapconvert's help messages

REPORTING BUGS

       To report a bug, visit http://twistedmatrix.com/bugs/

COPYRIGHT

       Copyright (C) 2000-2008 Twisted Matrix Laboratories.
       This is free software; see the source for copying conditions.  There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
       LAR PURPOSE.

								     July 2001							     TAPCONVERT(1)
All times are GMT -4. The time now is 09:16 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy