07-06-2005
Change $7 to $0 -- $0 is the whole line
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1. Shell Programming and Scripting
Hi all,
How would I append the second field each time to one line if the first field is the same for example I have this data:
10430,187976
10430,251588
10430,262904
10430,275008
10430,279892
10430,275008
10430,303740
10430,318136
10430,336988
10430,350324
10430,373648
And I... (4 Replies)
Discussion started by: borderblaster
4 Replies
2. UNIX for Advanced & Expert Users
How would I do something like this when field 4 contains "John". I only want to print field 1 and 4 when when field 4 contains"John".
awk -F" " '{print $1 $4} (3 Replies)
Discussion started by: cokedude
3 Replies
3. Shell Programming and Scripting
QUESTION 1:
How do you replace a specific line (i.e. line 4) with a new user defined line (i.e. the contents of SAMS’s name, history, math and English grades have been set already). I have been attempting to use SED (FYI: I don’t have GNU SED) or AWK, but haven’t had any luck. FYI: I am using... (1 Reply)
Discussion started by: thibodc
1 Replies
4. Shell Programming and Scripting
Hi Guys
I have the following file
Essentially, I am trying to find the right awk/sed syntax in order to produce the following 3 distinct files from the file above:
Basically, I want to print the lines of the file as long as the second field of the current line is equal to the... (9 Replies)
Discussion started by: moutaye
9 Replies
5. Shell Programming and Scripting
i have something like this,
cat filename.txt
hui this si s"dfgdfg" omeone ipaddress="10.19.123.104" wel hope this works
i want to replace only 10.19.123.104 with different ip say 10.19.123.103
i tried this
sed -i "s/'ipaddress'/'ipaddress=10.19.123.103'/g" filename.txt
... (1 Reply)
Discussion started by: vivek d r
1 Replies
6. UNIX for Dummies Questions & Answers
Hi all !
I almost did it but got a small problem.
input:
cars red
cars blue
cars green
truck black
Wanted:
cars red-blue-green
truck black
Attempt:
gawk 'BEGIN{FS="\t"}{a = a (a?"-":"")$2; $2=a; print $1 FS $2}' input
But I also got the intermediate records... (2 Replies)
Discussion started by: beca123456
2 Replies
7. UNIX for Dummies Questions & Answers
I have several questions about using awk. I'm hoping someone could lend me a hand. (I'm also hoping that my questions make sense.)
I have a file that contains pipe separated data. Each line has similar data but the number of fields and the field position on each line is variable. ... (3 Replies)
Discussion started by: Cheese64
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8. Shell Programming and Scripting
Hello,
I have a text file in the below format:
Source Destination State Lag Status
CQA02W2K12pl:D:\CAQA ... (10 Replies)
Discussion started by: pocodot
10 Replies
9. Shell Programming and Scripting
Trying to use awk to remove a line only if $1 contains either ; or :. Thje awk below runs but no lines are removed. Thank you :).
awk
awk '$1 !~ /;/ || $1 !~ /:/ { print }' file
file
AARS2;TMEM151B 1
AASS 2
ABAT 3
ABCA1 3
ABCA10 1
ABCA12 2
ABCA13 1
ABCA13:AX746840 2
ABCA2 5 (5 Replies)
Discussion started by: cmccabe
5 Replies
10. Shell Programming and Scripting
My file (the output of an experiment) starts off looking like this,
_____________________________________________________________
Subjects incorporated to date: 001
Data file started on machine PKSHS260-05CP
**********************************************************************
Subject 1,... (9 Replies)
Discussion started by: samonl
9 Replies
chown(8) System Manager's Manual chown(8)
Name
chown - change owner and, optionally, group
Syntax
/etc/chown [ -fR ] owner[.group] file...
Description
The command changes the owner and, optionally, group for one or more files and directories. The value for file can be a full or partial
path. The value for owner can be either a decimal UID or a login name found in the password file. The value for group can be either a
decimal GID or a group name found in the group file.
Only the superuser can change the ownership of a file. The superuser can also change the group of a file. The owner of a file can only
change the group, but the owner must be a member of any group specified.
Options
-f Inhibits display of errors that are returned when cannot change the owner or group of the specified files.
-R Causes to recursively descend any directories subordinate to file and to set the owner, group, or both for each file encountered.
When symbolic links are encountered, changes the owner and group for the link file itself but does not traverse the path associated
with the link. The option is useful only when file is a directory that is not empty.
Examples
Change the owner of to ecbell:
/etc/chown ecbell myfile
Change the owner of to craig and group of to admin:
/etc/chown craig.admin myfile
Change the owner to richart and group to eng for the directories and and for all files and directories on any levels subordinate to and
/etc/chown -R richart.eng projecta projectb
Files
See Also
chgrp(1), chown(2), group(5), group(5yp), passwd(5), passwd(5yp)
chown(8)