Sponsored Content
Full Discussion: Remove prefix using awk
Top Forums Shell Programming and Scripting Remove prefix using awk Post 302321626 by pinnacle on Monday 1st of June 2009 06:21:15 PM
Old 06-01-2009
Remove prefix using awk

Remove prefix using awk

File:
Quote:
xyz.amp|x|a|t
xyz.tmpx|a|t
aic.klmx|a|t
jil.djn|a|t
mno.djn|j|k
dij.iuy|a|t
Code:
 nawk -F"|" '{if ($1 ~ /^xyz./) print; else { gsub(.*\..*, \..*, $1) ;print }}' file

Error:
Quote:
nawk: syntax error at source line 1
context is
{if ($1 ~ /^xyz./) print; else { >>> gsub(. <<< *\..*, \..*, $1) ;print}}

ouput required:
Quote:
xyz.amp|x|a|t
xyz.tmpx|a|t
klmx|a|t
djn|a|t
djn|j|k
iuy|a|t
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

remove filename prefix

I've got a bunch of files called oldabc, olddef etc. i want to copy these to be abc, def.... I can do this with file extensions....but can get the logic to work for prefixes. All the files I am interested in have a prefix of 'old'. This loop is no good for me....it looks at the content... (2 Replies)
Discussion started by: peter.herlihy
2 Replies

2. Shell Programming and Scripting

Remove prefix from filenames

I'm trying to put together a shell script that will append specific prefixes based on the content of filenames. I think I have this part down. However, I want to append before that part a process that will remove the current prefix before it renames the files with the new prefix. For example,... (6 Replies)
Discussion started by: HLee1981
6 Replies

3. Shell Programming and Scripting

Need awk script to add a prefix to each line in file

Hello , I have file with below content : '165567885', '165568443', '165568805', I need an awk script that would add a prefix zero after first ' . Like '0165567885', '0165568443', '0165568805', Please help. Thanks in advance. (5 Replies)
Discussion started by: rmv
5 Replies

4. Shell Programming and Scripting

Remove prefix per line in file

Hi, I'm using a .ksh script to split one file into multible files by checking for the prefix per line. It works perfekt (thanks again for anyone involved in helping me with that ;)), but I want to remove the prefix per line too. Means only the line information itself should remain in the... (7 Replies)
Discussion started by: spidermike
7 Replies

5. Linux

Adding a prefix to a column using awk/sed commands

Hello, I am a newbie to linux and struggling to find a better way to append a column in a text file. Here is the file i want to modify: It has 8 columns (and thousands of rows). I want to append the first column by adding "chr" infront of the numbers. Some rows have a string in the first... (4 Replies)
Discussion started by: bjorngill
4 Replies

6. Shell Programming and Scripting

AWK adding prefix/suffix to list of strings

75 103 131 133 138 183 197 221 232 234 248 256 286 342 368 389 463 499 524 538 (5 Replies)
Discussion started by: chrisjorg
5 Replies

7. Shell Programming and Scripting

awk to remove last two -*-*

fq-bar-something-1.0-r1.src.rpm ----> fq-bar-something fq-bar-xx-r1-rel.src.rpm ---------> fq-bar-xx fq-bar-ff-ver-11-rel.src.rpm -------> fq-bar-ff-ver any help? (5 Replies)
Discussion started by: yanglei_fage
5 Replies

8. Shell Programming and Scripting

Extract Uniq prefix from a start and end prefix

Dear All, assume i have a file with content: <Start>6000</Start> <Stop>7599</Stop> the output is: 6000 7000 7100 7200 7300 7400 7599 how should we use any awk, sed, perl can do this task, means to extract the uniq prefixes from the start and stop prefix. Thanks Jimmy (3 Replies)
Discussion started by: jimmy_y
3 Replies

9. Shell Programming and Scripting

Need to add prefix using sed or awk from cat the file

I need the use sed or AWK using cat the file Node1 TDEV RW 1035788 TDEV RW 1035788 Server1 TDEV RW 69053 Server2 TDEV RW 69053 TDEV RW 103579 Server3 TDEV RW 69053 server4 RDF1+TDEV RW 69053 RDF1+TDEV RW 517894 RDF1+TDEV RW 621473 server6 TDEV RW 34526 TDEV RW 34526 (22 Replies)
Discussion started by: ranjancom2000
22 Replies

10. Shell Programming and Scripting

awk move select fields to match file prefix in two directories

In the awk below I am trying to use the file1 as a match to file2. In file2 the contents of $5,&6,and $7 (always tab-delimited) and are copied to the output under the header Quality metrics. The below executes but the output is empty. I have added comments to help and show my thinking. Thank you... (0 Replies)
Discussion started by: cmccabe
0 Replies
ucblinks(1B)                                         SunOS/BSD Compatibility Package Commands                                         ucblinks(1B)

NAME
ucblinks - adds /dev entries to give SunOS 4.x compatible names to SunOS 5.x devices SYNOPSIS
/usr/ucb/ucblinks [-e rulebase] [-r rootdir] DESCRIPTION
ucblinks creates symbolic links under the /dev directory for devices whose SunOS 5.x names differ from their SunOS 4.x names. Where possi- ble, these symbolic links point to the device's SunOS 5.x name rather than to the actual /devices entry. ucblinks does not remove unneeded compatibility links; these must be removed by hand. ucblinks should be called each time the system is reconfiguration-booted, after any new SunOS 5.x links that are needed have been created, since the reconfiguration may have resulted in more compatibility names being needed. In releases prior to SunOS 5.4, ucblinks used a nawk rule-base to construct the SunOS 4.x compatible names. ucblinks no longer uses nawk for the default operation, although nawk rule-bases can still be specifed with the -e option. The nawk rule-base equivalent to the SunOS 5.4 default operation can be found in /usr/ucblib/ucblinks.awk. OPTIONS
-e rulebase Specify rulebase as the file containing nawk(1) pattern-action statements. -r rootdir Specify rootdir as the directory under which dev and devices will be found, rather than the standard root directory /. FILES
/usr/ucblib/ucblinks.awk sample rule-base for compatibility links ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+ SEE ALSO
devlinks(1M), disks(1M), ports(1M), tapes(1M), attributes(5) SunOS 5.10 13 Apr 1994 ucblinks(1B)
All times are GMT -4. The time now is 10:08 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy