Dear All,
i have a awk script where i'm using while loop inside while loop
here is the code:
awk -v DATE="$CURRDATE" -v -F'@' 'BEGIN {
while(( getline < "Merge_Calldet.txt" ))
{
ARR=$5
LINE=$0
while(( getline < "Merge_Accessnum.txt" ))
{
TESTSIMENTRY=$1
FILEDATE=$15 ... (0 Replies)
I'm trying to understand if it's possible to create a set of variables that are numbered based on another variable (using eval) in a loop, and then call on it before the loop ends.
As an example I've written a script called question (The fist command is to show what is the contents of the... (2 Replies)
Hi,
im having problem creating a loop using my code: aside from the fact that the 1st variable (VAR) does not increment, it loops more than the expected output.
for sample purposes, test csv contains 3 lines.
#get number of lines in the file
lines=$( wc -l < test.csv )
... (5 Replies)
Is it possible to have a for loop nested inside another for loop? I am trying to run a script against specific files inside a child directory but I can't seem to find a solution that is clean and affect to do it. Here is what I am trying do. I have 2 gzip files in each of the Target Directories... (4 Replies)
Hi,
I am using su within a for loop. As you might expect, it prompts for password during each loop execution. Here is my piece of code:
for i in $LIST
do
if
then
DATABASE=`echo $i | awk -F "|" '{ print $1 }'`
USER_ID=`echo $i | awk -F "|" '{ print $2 }'`
su - apstage -c... (1 Reply)
Hi,
i have written a script. it collects data based on the sql queries executed by it. i have multiple output files. after the output file is made i need to do some cosmetic changes in the files and then store them. i am unable to use sed conditions inside the loop.
see below code for... (3 Replies)
Hi all
Sorry for the basic question, but i am writing a shell script to get around a slightly flaky binary that ships with one of our servers. This particular utility randomly generates the correct information and could work first time or may work on the 12th or 100th attempt etc !.... (4 Replies)
I am new to unix and trying to make a script for writing all my command into another file and use that file to run all commands
I am trying to use for loop with echo command to generate a command based script for writing the file with all the command sequentially w.r.t for loop.
I want... (6 Replies)
Hi All,
Below is the very simple code snippet but it si giving me syntax error
#!/bin/bash
#To ensure If JMS directory exists or not
ServerName=$(hostname)
#To ensure If JMS directory exists or not
echo $ServerName
if ;
then
echo "Inside First If"
if ;
then
echo 'JMS... (4 Replies)
I'm taking a unix class and need to countdown to 0 from whatever number the user inputs. I know how to do this with a while or until loop but using the for loop is throwing me off....
I know I can use an if-then statement in my for loop but can I include a while loop in my for loop? (3 Replies)
Discussion started by: xxhieixx
3 Replies
LEARN ABOUT XFREE86
shuf
SHUF(1) User Commands SHUF(1)NAME
shuf - generate random permutations
SYNOPSIS
shuf [OPTION]... [FILE]
shuf -e [OPTION]... [ARG]...
shuf -i LO-HI [OPTION]...
DESCRIPTION
Write a random permutation of the input lines to standard output.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-e, --echo
treat each ARG as an input line
-i, --input-range=LO-HI
treat each number LO through HI as an input line
-n, --head-count=COUNT
output at most COUNT lines
-o, --output=FILE
write result to FILE instead of standard output
--random-source=FILE
get random bytes from FILE
-r, --repeat
output lines can be repeated
-z, --zero-terminated
line delimiter is NUL, not newline
--help display this help and exit
--version
output version information and exit
AUTHOR
Written by Paul Eggert.
REPORTING BUGS
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
Report shuf translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
Full documentation at: <http://www.gnu.org/software/coreutils/shuf>
or available locally via: info '(coreutils) shuf invocation'
GNU coreutils 8.28 January 2018 SHUF(1)