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UNIX for Dummies Questions & Answers
Assigning matched pattern within filename to variable
Post 302899222 by Mauve on Monday 28th of April 2014 05:50:34 AM
04-28-2014
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10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello,
Actually i want to replace the word after a matched pattern.
For Ex:
lets say that i am reading a file line by line
while read line
do
echo $line
# i need to search whether a pattern exists in the file and replace the word after if the pattern exist.
# for example :... (1 Reply)
Discussion started by: maxmave
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2. Shell Programming and Scripting
Hi,
If there exist multiple pattern in a file, how can I find the last record matching the pattern through perl.
The below script searches for the pattern everywhere in an input file.
#! /usr/bin/perl -s -wnl
BEGIN {
$pattern or
warn"Usage: $0 -pattern='RE' \n" and
exit 255;... (5 Replies)
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would like to print word between matched patterns using sed
for example :
create INDEX SCOTT.OR_PK ON table_name(....)
would like to print between SCOTT. and ON which is OR_PK
Please help me out
Thanks (4 Replies)
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4. Shell Programming and Scripting
Hello every,
I am stuck in a problem. I have file like this. I want to add the fifth field of the match pattern line above the lines starting with "# @D". The delimiter is "|"
eg
>
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5. Shell Programming and Scripting
Hi,
I have two files file1.txt and file2.txt. Please see the attachments.
In file2.txt (which actually is a diff output between two versions of file1.txt.), I extract the pattern corresponding to 1172c1172. Now ,In file1.txt I have to search for this pattern 1172c1172 and if found, I have to... (9 Replies)
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6. Shell Programming and Scripting
hi,
i have a variable which contains some file names delimited by a single space.
FNAME="s1.txt s2.lst s3.cvs s4.lst"
i have another variable that contains a pattern
FILE_PATTERN="*.lst"
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7. Shell Programming and Scripting
Hi,
I need to extract an info in $1 based on a matched pattern in $2,$3,$4, and $5.
The sample input file as follows:-
ID Pat1 Pat2 Pro1 use1
add41 M M M
add87 M M M M
add32 ... (16 Replies)
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What I would like to do is if the lines with % have the same name, then combine the last 9 letters of the string underneath the last occurrence of that ID with the first 9 letters of the string underneath the first occurrence of that ID.
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Hi I want to print the line until pattern is matched.
I am using below code:
sed -n '1,/pattern / p' file
It is working fine for me , but its not working for exact match.
sed -n '1,/^LAC$/ p' file
Input:
LACC FEGHRA 0
LACC FACAF 0
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I have two files say FILE1 and FILE2.
FILE1 contains 80,000 filename in sorted order and another file FILE2 contains 6,000 filenames is also in sorted order.
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LEARN ABOUT DEBIAN
lid
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)