10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello,
I have to fish out some specific columns from a file based on the header value. I have the list of columns I need in a different file. I thought I could read in the list of headers I need,
# file with header names of required columns in required order
headers_file=$2
# read contents... (11 Replies)
Discussion started by: LMHmedchem
11 Replies
2. Shell Programming and Scripting
I have a file with class c IP addresses that I need to match to a column and print the matching lines of another file.
I started playing with grep -if file01.out file02.out but I am stuck as to how to match it to a column and print the matching lines;
cat file01.out
10.150.140... (5 Replies)
Discussion started by: lewk
5 Replies
3. Shell Programming and Scripting
hey guys,
for the following output:
starting
open
open
close
close
starting
close
starting
open
close
close
starting
open
open
close
open (2 Replies)
Discussion started by: boaz733
2 Replies
4. Shell Programming and Scripting
Hi All,
I have to match each row in file 1 with 1st row in file 2 and print the corresponding column from file2. I am trying to use an awk script to do this. For example
cat File1
X1
X3
X4
cat File2
ID X1 X2 X3 X4
A 1 6 2 1
B 2 7 3 3
C 3 8 4 1
D 4 9 1 1 (3 Replies)
Discussion started by: newpro
3 Replies
5. UNIX for Dummies Questions & Answers
Hello,
I have a file with 32 columns and I want to print one column at a time, and then read each line of this column in order to use grep command.
I tried with awk but i cannot put variable in awk
for a in {1..32..1};do awk '{print$a}' file1.txt|while read line;do grep $line file2.txt;done >... (5 Replies)
Discussion started by: FelipeAd
5 Replies
6. Shell Programming and Scripting
Hi,
i have a file with content
00:01:20.613 'integer32' 459254
00:01:34.158 459556
00:01:36.626 'integer32' 459255
and i want to print only output as below
00:01:20.613 459254
00:01:34.158 459556
00:01:36.626 459255
i dont want the word 'integer32' which is the second column.
i... (2 Replies)
Discussion started by: dealerso
2 Replies
7. Shell Programming and Scripting
Friends,
I have .txt file with 3 millions of rows.
File1.txt
ABC1|A|ABCD1|XYZ1
ABC2|P|ABCD2|XYZ2
ABC3|A|ABCD3|XYZ3
ABC4|P|ABCD4|XYZ4
If second field has value P then print the entire line.
Thanks in advance for your help,
Prashant (4 Replies)
Discussion started by: ppat7046
4 Replies
8. Shell Programming and Scripting
Hi friends,
This is my very first post on forum, so kindly excuse if my doubts are found too silly.
I am trying to automate a piece of routine work and this is where I am stuck at the moment-I need to grep a particular ID through a file containing many records(which start with <LRECORD> and end... (6 Replies)
Discussion started by: faiz1985
6 Replies
9. Shell Programming and Scripting
I hope this is a basic question.
I have a file with a bunch of strings in each line (and the string number is variable).
What I want to do is a simple if command and then print the entire line.
something like awk '{if ($3=="yes") print $1,$2,$3,...$X }' infile > outfile
Can someone... (1 Reply)
Discussion started by: dcfargo
1 Replies
10. Shell Programming and Scripting
I'm having problems since few days ago, and i'm not able to make it works with a simple awk+grep script (or other way to do this).
For example, i have a input file1.txt:
cat inputfile1.txt
218299910417
1172051195
1172070231
1172073514
1183135117
1183135118
1183135119
1281440202
... (3 Replies)
Discussion started by: poliver
3 Replies