|
|
Sponsored Content
Top Forums
Shell Programming and Scripting
Update a field in a file based on condition
Post 302478261 by DGPickett on Tuesday 7th of December 2010 12:57:10 PM
12-07-2010
|
|
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi everybody,
I'm trying to replace the $98 field with "T" if the last field (108th) is T
I've tried
awk 'BEGIN{OFS=FS="|"} {if ($108=="T")sub($98,"T"); print}' test.txt
but that doesn't do anything
also tried
awk 'BEGIN{OFS=FS="|"}{ /*T.$/ sub($98,"T")} { print}' test.txt
but... (2 Replies)
Discussion started by: jghi123
2 Replies
2. Shell Programming and Scripting
If $1 in file1 matches $2 in file2. Then the value in $2 of file2 is updated to $1"."$2 of file2. The awk seems to only match the two files but not update. Thank you :).
awk
awk 'NR==FNR{A ; next} $1 in A { $2 = a }1' file1 file2
file1
name version
NM_000593 5
NM_001257406... (3 Replies)
Discussion started by: cmccabe
3 Replies
3. Shell Programming and Scripting
I am trying to use awk to match two files that are tab-delimited. When a match is found between file1 $1 and file2 $4, $4 in file2 is updated using the $2 value in file1. If no match is found then the next line is processed. Thank you :).
file1
uc001bwr.3 ADC
uc001bws.3 ADC... (4 Replies)
Discussion started by: cmccabe
4 Replies
4. Shell Programming and Scripting
In the tab-delimeted input file below I am trying to use awk to update the value in $2 if TYPE=ins in bold, by adding the value of
HRUN= in italics. In the below since in line 1 TYPE=ins the 117282541 value in $2 has 6 added because that is the value of HRUN=.
Hopefully the awk is a start but I... (2 Replies)
Discussion started by: cmccabe
2 Replies
5. Shell Programming and Scripting
In the perl below I am trying to set/update the value of $14 (last field) in file2, using the matching NM_ in $12
or $9 in file2 with the NM_ in $2 of file1.
The lengths of $9 and $12 can be variable but what is consistent is the start pattern will always be NM_ and the end pattern is always
;... (4 Replies)
Discussion started by: cmccabe
4 Replies
6. Shell Programming and Scripting
In the perl below, which does execute, I am having trouble with the else in Rule 3. The digit in f{8} is extracted and used to update f accordinly along with the value in f.
There can be either - * or + before the number that is extracted but the same logic applies, that is if the value is greater... (5 Replies)
Discussion started by: cmccabe
5 Replies
7. Shell Programming and Scripting
In the awk below I am trying to copy the entire contents of $6 there may be multiple values seperated by a ;, to $8, if $8 is . (lines 1 and 3 are examples). If that condition $8 is not . (line2 is an example) then that line is skipped and printed as is. The awk does execute but prints the output... (3 Replies)
Discussion started by: cmccabe
3 Replies
8. Shell Programming and Scripting
I have an input file with
A=xyz
B=pqr
I would want the value in Second Field (xyz or pqr) updated with a value present in Shell Variable based on the value passed in the first field. (A or B )
while read line
do
NEW_VALUE = `some functionality done on $line`
If $line=First Field-... (1 Reply)
Discussion started by: infernalhell
1 Replies
9. UNIX for Beginners Questions & Answers
Request your help to change the field color based on condition , if it is otherthan 0. using html in unix.
Here is my condition
for(i=1;i<=NF;i++)
{
print "<td> "$i"</td>
}
Please use CODE tags when displaying sample input, output, and code segments. (17 Replies)
Discussion started by: CatchMe
17 Replies
10. UNIX for Beginners Questions & Answers
Hi,
So awk is driving me crazy on this one. I have searched everywhere and read man, docs and every related post Google can find and still no luck. The actual files I need to run this on are sensitive in nature, but it is the same thing as if I needed to calculate weighted grades for multiple... (15 Replies)
Discussion started by: cotilloe
15 Replies
LEARN ABOUT DEBIAN
net::google::code::atomparser
Net::Google::Code::AtomParser(3pm) User Contributed Perl Documentation Net::Google::Code::AtomParser(3pm) NAME
Net::Google::Code::AtomParser - AtomParser with a parsing method for gcode DESCRIPTION
INTERFACE
new parse( $xml_content ) return( $feed, $entries ), $feed is a hashref like { 'title' => 'Issue updates for project net-google-code on Google Code', 'id' => 'http://code.google.com/feeds/p/net-google-code/issueupdates/basic', 'updated' => '2009-06-12T05:55:48Z' } $entries is an arrayref like [ { 'content' => '<pre>second comment </pre> ', 'name' => 'sunnavy', 'title' => 'Update 2 to issue 22 ("for sd test")', 'id' => 'http://code.google.com/feeds/p/net-google-code/issueupdates/basic/22/2', 'updated' => '2009-06-12T05:55:48Z' }, { 'content' => '<pre>first comment </pre> ', 'name' => 'sunnavy', 'title' => 'Update 1 to issue 22 ("for sd test")', 'id' => 'http://code.google.com/feeds/p/net-google-code/issueupdates/basic/22/1', 'updated' => '2009-06-12T05:55:22Z' }, ] AUTHOR
sunnavy "<sunnavy@bestpractical.com>" LICENCE AND COPYRIGHT
Copyright 2008-2010 Best Practical Solutions. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.10.1 2010-01-29 Net::Google::Code::AtomParser(3pm)