10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
So I'm writing a script which tries to parse human-readable addresses. Part of it is this:
print $2, implode(A,1,AN," "), CITY, PROV, POST, COUNTRY, CITYCOUNT>2;
CITYCOUNT is a variable between 0 and 3 counting the number of words in a city name. I'm trying to prnt 1 wherever that's greater... (5 Replies)
Discussion started by: Corona688
5 Replies
2. UNIX for Dummies Questions & Answers
I almost reach my objective (Youhouuu !!!!)
But I really don't understand why it doesn't work until the end... :wall:
For clarity's sake I am taking a very simple example. The operations I am doing in the script (gsub and print) really don't have any importance !!! I just matter about... (10 Replies)
Discussion started by: beca123456
10 Replies
3. UNIX for Dummies Questions & Answers
explain the redirections 1>, 2>, 3>, .....
and 1< ,2<,3<.....
where we use these things
thanks
Thread moved from AIX forum (2 Replies)
Discussion started by: tsurendra
2 Replies
4. Shell Programming and Scripting
Hello everyone,I'm reading a book and there's code fragment:
exec 3>&1
ls -l 2>&1 >&3 3>&- | grep bad 3>&-
exec 3>&-
It says that the red part of that code does not close fd 3 but the green does close the fd 3.I can't understand that.....Why?Any predicate will be appreciated.:) (18 Replies)
Discussion started by: homeboy
18 Replies
5. Shell Programming and Scripting
I have a system stat command running which generates data after 5 sec or so. I pass this data to awk and do some calculation to present the data differently. Once done now I want to pass this data to file as and when generated but doesn't work..unless the first command completes successfully.... (6 Replies)
Discussion started by: learnscript
6 Replies
6. Shell Programming and Scripting
I'm trying to find average of values in 2nd column in some files. Filenames have following pattern eg:
tau_2.54_even_v1.xls
tau_2.54_odd_v1.xls
tau_1.60_v1.xls
tau_800_v1.xls
#!/bin/bash
for file in pmb_mpi tau xhpl mpi_tile_io fftw ; do
for f in "2.54" "1.60" "800" ;do
if... (2 Replies)
Discussion started by: vishwamitra
2 Replies
7. Shell Programming and Scripting
Hello,
i need to redirect the output of print to a variable file name:
#This is normal
awk '{ print $17 > "output.txt" }' input
#I need something like this
awk '{ print $17 > "output_${25}.txt" }' input
how to format the output file name to contain a variable? (6 Replies)
Discussion started by: nazeeb
6 Replies
8. Shell Programming and Scripting
Hi,
The code below works, it's a part of a bash shell script that serve to search a pattern $pattern_da_cercare in the files contained in a directory $directory_iniziale.
Now the proble is:
How can I redirect stderr to a file?
PS: so I want to redirect ALL the errors to a file.
I tryed... (9 Replies)
Discussion started by: DNAx86
9 Replies
9. Shell Programming and Scripting
Hi,
i use awk -F to print three variable delimited by comma $1 $2 $3
if $2=="" i want to extract this information missing from another file using awk -v + some process.
but the problem i can't use the two awk together cause of redirection
there's a solution.
note: i can't use another... (1 Reply)
Discussion started by: kamel.seg
1 Replies
10. Shell Programming and Scripting
I want to run tail -f to continuously monitor a log file, outputing a specific field to a second log file. I can get the first portion to work with the following command:
tail -f log | awk '{if ($1 == "Rough") print $5}'
also:
awk '{if ($1 == "Rough") print $5}' <(tail -f log)
The... (2 Replies)
Discussion started by: mfajer
2 Replies