9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Example:
$ cat file1
2
3$ cat file2
1
2
3
4
5
6The following awk script works like a charm, NR==FNR is true for file1, the remainder runs for file2:
awk '
NR==FNR {A; next}
($1 in A)
' file1 file2
2
3Now have an empty file1:
>file1and run the awk script again.
The result is empty... (8 Replies)
Discussion started by: MadeInGermany
8 Replies
2. Shell Programming and Scripting
Hi,
I have a large number of input files with two columns of numbers.
For example:
83 1453
99 3255
99 8482
99 7372
83 175
I only wish to retain lines where the numbers fullfil two requirements. E.g:
=83
1000<=<=2000
To do this I use the following... (10 Replies)
Discussion started by: s052866
10 Replies
3. Shell Programming and Scripting
I want to use awk instead of cut command.
Following is my code:
line="slNumber=US78AJF11643, slName=USJFKAAUSYDAAUL80441032900095, dummy sl found? sqlca.sqlcode=0"
sl_WORD=`echo $line| cut -f 1 -d','`
sl=`echo $sl_WORD | cut -f 2 -d'='`
echo "$sl"
Please suggest me about the code.
... (5 Replies)
Discussion started by: rinku
5 Replies
4. Shell Programming and Scripting
how would i write a shell script to show the number of lines in which int variable appears in a c++ program.
how would i do this using cut or awk methods is it possbile and having a output similar to this
x, number of apperances =
y, number of apperances = (2 Replies)
Discussion started by: deadleg
2 Replies
5. UNIX for Dummies Questions & Answers
Hi I'm new to unix programming so struggling with something thats probably simple to many of you
I have data files of the format :
ID, date, value1, value2, blank
on each line either value1 or value2 will be zero. I need my output file to contain
ID, date, non-zero value
The input... (3 Replies)
Discussion started by: thewench
3 Replies
6. Shell Programming and Scripting
i was trying to work on program to look for users never log on sever.. using awk
with awk is working
last| awk '{print $1}' |sort -u > /tmp/users1$$
cat /etc/passwd | awk -F: '{print $1}' |sort -u > /tmp/users2$$
comm -13 /tmp/users$$
rm -f /tmp/users$$
with cut it is not working
... (3 Replies)
Discussion started by: macrules
3 Replies
7. Shell Programming and Scripting
select some fields from data file (source.csv)
The data in file(source.csv) is like
"x1,2",,"y",,"z"
How to get the 1st, 2nd and 3rd field from the file. Using awk or cut?
Note: "x1,2" is one field.
thanks, (16 Replies)
Discussion started by: anypager
16 Replies
8. Shell Programming and Scripting
Hi, I'm very new to scripting.
grep $s $filename | awk '{print $2}' | cut -c 1-8
How can I optimize this using a single awk?
I tried:
awk '/$s/ {print $2}' $filename | cut -c 1-8
However didn't work, I think the awk is not recognizing $s and the verbal is something else. (6 Replies)
Discussion started by: firdousamir
6 Replies
9. Shell Programming and Scripting
Hi,
I'm trying to echo a variable that has values separated by colons, putting each value on a new line. So as an example, a variable I might have would contain:
My name is Earl:My name is Dorothy:My name is Bernard:
And I want the output:
My name is Earl
My name is Dorothy
My name... (5 Replies)
Discussion started by: michaeltravisuk
5 Replies