10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I use conditional operators alot in AWK to print rows from large text files based on values in a certain column. For example:
awk -F '\t' '{ if ($1 == "A" || $1 == "C" ) print $0}' OFS="\t" file1.txt > file2.txt
In this case every row is printed from file1 to file2 for which the column 1... (5 Replies)
Discussion started by: Geneanalyst
5 Replies
2. Shell Programming and Scripting
The bash bash below extracts the oldest folder from a directory and stores it in filename
That result will match a line in bold in input. In the matching line there is an_xxx digit in italics that
(once the leading zero is removed) will match a line in link. That is the lint to print in output.... (2 Replies)
Discussion started by: cmccabe
2 Replies
3. Shell Programming and Scripting
I am trying to update the below awk, kindly provided by @RavinderSingh13, to update each line of file1 with either Low or No Low based on matching $2 of file1 to a range in $2 and $3 of file2. If the $2 value in file1 matches the range in file2 then that line is Low, otherwise it is No Low in the... (3 Replies)
Discussion started by: cmccabe
3 Replies
4. Shell Programming and Scripting
In the below, I am trying to lookup $1 and $2 from file1, in a range search using $1 $2 $3 of file2. If the search key from file1 is found in file2, then the word low is printed in the last field of that line in the updated file1. Only the last section of file1 needs to be searched, but I am not... (6 Replies)
Discussion started by: cmccabe
6 Replies
5. Shell Programming and Scripting
The below awk uses $3 and $4 in search as the min and max, then takes each $2 value in lookup and compares it. If the value in lookupfalls within the range in searchthen it prints the entire line in lookup/ICODE]. What I can't seem to figure out is how to print the matching $5 from search on that... (4 Replies)
Discussion started by: cmccabe
4 Replies
6. Shell Programming and Scripting
I need to add new ID to the file with old ID (column 7), I collected old ID / new ID pairs in a lookup file and I am trying to use awk to do the job, but something is not clicking.
My input file
ABC| 107|1440589221| -118.117167| 33.986333|10| 497476|1
ABC| 125|1440591215| -118.181000| ... (4 Replies)
Discussion started by: migurus
4 Replies
7. Shell Programming and Scripting
have written a combined sed+awk to perform a lookup operation which works but looking to enhance it.
looking to match a record using any of the comma separated values + return selected fields from the record - including the field header. so:
cat foo
make,model,engine,trim,value... (6 Replies)
Discussion started by: jack.bauer
6 Replies
8. UNIX for Dummies Questions & Answers
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
9. Shell Programming and Scripting
I want to lookup filea with fileb,filec and filed.
If entry in filea exist in fileb and filec mark Y and then if entry in filea exist in filed mark as Y.
Final output should have all the entries from filea.
This prints only matching entries from file a in fileb i want all entries from... (9 Replies)
Discussion started by: pinnacle
9 Replies
10. UNIX for Advanced & Expert Users
Write a quick shell snippet to find all of the IPV4 IP addresses
in any and all of the files under /var/lib/output/*, ignoring
whatever else may be in those files. Perform a reverse lookup on
each, and format the output neatly, like "IP=192.168.0.1,
... (0 Replies)
Discussion started by: choco4202002
0 Replies
