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
How to find the number of columns in xml file.
i tried following command.
#!bin/ksh
cat $1 | grep -c "</mdm:attribute>"
exit 0
but i am not getting accurate result which is not matching with the manual count.
data format :
<mdm:attribute> value </mdm:attribute> (6 Replies)
Discussion started by: victory
6 Replies
3. Shell Programming and Scripting
Hi All,
I have to match each row in file 1 with 1st row in file 2 and print the corresponding column from file2. I am trying to use an awk script to do this. For example
cat File1
X1
X3
X4
cat File2
ID X1 X2 X3 X4
A 1 6 2 1
B 2 7 3 3
C 3 8 4 1
D 4 9 1 1 (3 Replies)
Discussion started by: newpro
3 Replies
4. UNIX for Dummies Questions & Answers
Hello,
I have a file with 32 columns and I want to print one column at a time, and then read each line of this column in order to use grep command.
I tried with awk but i cannot put variable in awk
for a in {1..32..1};do awk '{print$a}' file1.txt|while read line;do grep $line file2.txt;done >... (5 Replies)
Discussion started by: FelipeAd
5 Replies
5. Shell Programming and Scripting
Hi,
I need helping in finding some of the text in one file and some columns which have same column in file 1
EG
cat file_1
aaaa
bbbb
cccc
dddd
eeee
fffff
gggg
hhhh
cat file_2
aaaa,abcd,effgh,ereref,name,age,sex,...........
bbbb,efdfh,erere,afdafds,name,age,sex.............. (1 Reply)
Discussion started by: jpkumar10
1 Replies
6. Shell Programming and Scripting
hi guys,
i have the following problem: i have a matrix with 3 columns and over 450 rows like this:
0.0165 0.0151 0.0230
0.0143 0.0153 0.0134
0.0135 0.0123 0.0195
0.0173 0.0153 0.0182
i now want to calculate the average of every line and divide every element of this... (1 Reply)
Discussion started by: waddle
1 Replies
7. UNIX for Dummies Questions & Answers
Dear All,
I am having trouble obtaining the 3 outfiles (as shown below) from a single input file.
Could you please help??
INPUT:
filename
a b c
1 4 2
3 3 2
4 2 7
OUTPUT:
outfile1 (a.dat)
1 (2 Replies)
Discussion started by: chen.xiao.po
2 Replies
8. 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
9. Shell Programming and Scripting
i have a file which may have 'n' number of columns
1 222 fafda 32 afdaf 4343 4343
234 43fdaf 4343 fdd fdfd fdfd fdd fdfd fdfd
fdfd fdfd fdfd fdd fdfd fdfd
need to concatenate the columns with... (3 Replies)
Discussion started by: mlpathir
3 Replies
10. UNIX for Dummies Questions & Answers
Hi all,
may seem a very stupid question.but me stuck up in it for long....
How to find the number of columns in a ASCII file.
EX:-Demo.lst
songs 1 34 45 67
Number of columns should be 5.
Regards,
Anindya
;) (13 Replies)
Discussion started by: rahul26
13 Replies