10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Hello Everyone..
I want to replace the retail col from FileI with cstp1 col from FileP if the strpno matches in both files
FileP.txt
... (2 Replies)
Discussion started by: YogeshG
2 Replies
2. Shell Programming and Scripting
Hi all,
I am fairly new to UNIX and I was wondering if you could provide me with some help! Lets say i have a file as below :
Line 1
Line 2
Line 3
ABC|12|4|2
Now the number 4 in bold, this number will represent the number of row there is in the file excluding the header and footer... (10 Replies)
Discussion started by: Stinza
10 Replies
3. Shell Programming and Scripting
Hi,
I have the requirement similar to the one mentioned in the below thread.
https://www.unix.com/unix-for-dummies-questions-and-answers/128155-search-replace-string-only-particular-column-delimited-file.html
The only difference is that I need to change the field for row 1,2 and the last... (14 Replies)
Discussion started by: chetanojha
14 Replies
4. Shell Programming and Scripting
Hello,
I want to Replace/Remove ^M and the new line that follows it in a delimited file.
So far I have tried following and nothing seems to work for me .
Tr –d ‘\r\n’ < old.dat > new.dat -removes all the linefeed, not just the ones after a ^M.
Sed ‘/^M$/{N; s/.\n//;}’ < old.dat >... (7 Replies)
Discussion started by: bluestarmoon
7 Replies
5. Shell Programming and Scripting
hello,
i have a undelimited file which contains 229 byte records. i want to change column 23 - 26 with a new value and also change the sign of the data in colulmn 30 - 70. i've tried SED for the first change, but nothing happens:
sed 's/\(^.\{22\}\).\{4\}\(.*\)/\0603\2/' inputfile
heres an... (8 Replies)
Discussion started by: blt123
8 Replies
6. Shell Programming and Scripting
Hello folks, I have another doozy. I have two files. The first file has four fields in it. These four fields map to different locations in my second file. What I want to do is read the master file (file 2 - 23 fields) and compare each line against each record in file 1. If I get a match in all four... (4 Replies)
Discussion started by: dagamier
4 Replies
7. Shell Programming and Scripting
hello,
I want to replace awk with a perl one liner in unix.
i use in awk REGEX and FS ( field separator) because
awk syntaxes in different unix os versions have not the same behaviour.
Awk, Nawk and GNU Awk Cheat Sheet - good coders code, great reuse
i have a file named "file" and want... (5 Replies)
Discussion started by: bora99
5 Replies
8. Shell Programming and Scripting
Thanks for giving your time and effort to answer questions and helping newbies like me understand awk.
I have a huge file, millions of lines, so perl takes quite a bit of time, I'd like to convert these perl one liners to awk.
Basically I'd like all lines with ISA sandwiched between... (9 Replies)
Discussion started by: verge
9 Replies
9. Shell Programming and Scripting
Hi
I am trying to search and replace a multi line pattern in a php file using awk.
The pattern starts with
<div id="navbar">
and ends with
</div>
and spans over an unknown number of lines.
I need the command to be a one liner.
I use the "record separator" like this :
awk -v... (8 Replies)
Discussion started by: louisJ
8 Replies
10. Shell Programming and Scripting
Hi this is my first time posting ever. I'm relatively new in using AWK/SED, I've been trying many a solution. I'm trying to replace the 59th column in a file where if I encounter '' then I would like to replace it with the word NULL.
example
0 , '' , '' , 0 , 195.538462
change it to
0... (5 Replies)
Discussion started by: gumal901
5 Replies