10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I have a 17GB file and i want to set the first column from 1234567890 to just 0, how can i do it using sed command?
---------- Post updated at 03:09 PM ---------- Previous update was at 03:07 PM ----------
btw, my file is delimited by "|" and 1234567890 is just an... (7 Replies)
Discussion started by: fedora132010
2. Shell Programming and Scripting
I am looking at the NR==FNR posts and trying to use them to achieve the following but I am not getting it.
I have 2 files. I want to match column 8 in file 1 with column 2 in file 2. When they match I want to replace column 9 in file 1 with column 1 in file 2.
This is and extract from file 1
... (5 Replies)
Discussion started by: kieranfoley
3. Shell Programming and Scripting
I have one file as it has the following format
S No Site IP Address
1 Australia 192.168.0.1/26
2 Australia 192.168.0.2/26
3 Australia 192.168.0.3/26
I need awk/sed command to replace the column2 value ( under Site) with some other... (8 Replies)
Discussion started by: samaritan
4. UNIX for Advanced & Expert Users
I have a fixedwidth file of length 3000. Now i want to copy a column of 4 chars i.e( length 1678-1681) to column 1127 – 1171 to the same file.
Please let me know how can i achive using a single command in fixed width file.
Also source column length is 4 chars and target column length... (4 Replies)
Discussion started by: kiranparsha
5. Shell Programming and Scripting
Can anyone please help with this? I have 2 files as given below.
If 2nd column of file1 has pattern foo1@a, find the matching 1st column in file2 & replace 2nd column of file1 with file2's value.
abc_1 foo1@a ....
abc_1 soo2@a ...
def_2 soo2@a ....
def_2 foo1@a ........ (7 Replies)
Discussion started by: prashali
6. UNIX for Dummies Questions & Answers
I have a file1.pdb in pdb format and a dat file2 containing values, corresponding to the atoms in the pdb file. these values (file2.dat) need to be in the column instead of the 0.00 (file1) values for each atom in file1.pdb .(the red values must be replaced by the blue ones,in order)... (11 Replies)
Discussion started by: chen.xiao.po
7. Shell Programming and Scripting
I am trying to replace the column in file1 with the column from file2. The two files will have the same amount of rows. Each row will correspond with the same row in the other file.
"Replace this column"
500 13-APR-2011... (11 Replies)
Discussion started by: doobe01
8. UNIX for Dummies Questions & Answers
I have a file with four columns and I would like to replace values in the second column only.
An arbitrary example is:
100 A 105 B
200 B 205 C
300 C 305 D
400 D 405 E
500 E 505 F
I need to replace the second column as shown below:
... (4 Replies)
Discussion started by: Gussifinknottle
9. Shell Programming and Scripting
Match column 3 in file1 to column 1 in file 2 and replace with column 2 from file2
file 1 sample
SNDK 80004C101 AT
XLNX 983919101 BB
NETL 64118B100 BS
AMD 007903107 CC
KLAC 482480100 DC
TER 880770102 KATS
ATHR 04743P108 KATS... (7 Replies)
Discussion started by: rydz00
10. UNIX and Linux Applications
I need to replace the last 19 bytes of the following string
I would like to derive the current time using "date +%Y%m%d_%H%M%S.txt" and replace the last 19 bytes of the above string
I would appreciate if someone could... (3 Replies)
Discussion started by: rpk2008