10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
This is part of a larger script where I need to pass only 1 line of a file to the script, based on a variable and not a direct reference.
As part of a for loop :
# for((line=0;line<50;line++)); do
# awk ‘NR==$line' PhraseList.txt; done
... (5 Replies)
Discussion started by: Seth
5 Replies
2. Shell Programming and Scripting
I have an input file with
A=xyz
B=pqr
I would want the value in Second Field (xyz or pqr) updated with a value present in Shell Variable based on the value passed in the first field. (A or B )
while read line
do
NEW_VALUE = `some functionality done on $line`
If $line=First Field-... (1 Reply)
Discussion started by: infernalhell
1 Replies
3. UNIX for Beginners Questions & Answers
Hi there
I am trying to look for a specific word in the log file and I am aware this can be done by grep for example.
As there will be multiple entries for this I want to grep the last one to enter the log... how would I go about this - would I have to use tail?
Thanks in advance
Alex (4 Replies)
Discussion started by: simpsa27
4 Replies
4. UNIX for Dummies Questions & Answers
Hi all, I have a file that contains characters. How do I get total of spesific character from that file and save the count to a variable for doing for calculation.
data.txt
1
2
2
2
2
3
3
4
5
6
7
8
5
4
3
4 (5 Replies)
Discussion started by: weslyarfan
5 Replies
5. Shell Programming and Scripting
Hello,
I'm trying to create multiple commands using a variable input from another file but am not getting any successful results.
Basically, file1.txt contains multiple lines with single words:
<file1.txt>
yellow
blue
black
white
I want to create multiple echo commands with these... (8 Replies)
Discussion started by: demmel
8 Replies
6. Shell Programming and Scripting
I'm trying to create a ksh script that will ask the user for the port number. $PORT1 is the variable I want to use that will contain whatever numbers the user inputs. The script would edit ports.txt file, search and delete "./serv 110.1.0.1.$PORT1 200;=3" .
So if the user types 50243 then the... (5 Replies)
Discussion started by: seekryts15
5 Replies
7. Shell Programming and Scripting
Hello,
I have a script which reads variable values from /system/pt.conf
I sourced it already.
But the probelm is I don't know how to edit only the value from the variable "res" in the conf file.
pt.conf:
res=1280x720
log=1
And I want to edit the value "1280x720" from "res".
I was... (5 Replies)
Discussion started by: FD1999
5 Replies
8. UNIX for Dummies Questions & Answers
How do I deny a user to edit a specific file in directory but the user will have a capability to use sudo and execute any command? I will just deny him/her to edit sayy 5files in different directories in linux?
example. He cannot edit /etc/modprobe.d/blacklist.conf and /etc/sshd.config? Then the... (6 Replies)
Discussion started by: lhareigh890
6 Replies
9. Shell Programming and Scripting
greetings!
how do i get an env variable that looks like this when echoed:
into a file that looks like this:
keeping in mind that the two constants are the fields from the env variable will always be in odd positions of the string that need to go into the file AND they will always start... (3 Replies)
Discussion started by: crimso
3 Replies
10. Shell Programming and Scripting
How to edit file content at the specific line? For example at below
The things to edit --> This is line 2. And it is below line 1.
This is line 1.
This is line 2. # i want to append some words at this row line. How?
This is line 3. (8 Replies)
Discussion started by: alvin0618
8 Replies