How to read a delimited string and assign fields to incremented variables? Post: 302538931

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Awk/shell question: Read from file and assign to variables.

Is anyone able to help with writing a program that will do the following: 1. Read the contents of a file, line by line, and on each line, assign each of the two columns to a shell variable. 2. perform an action on the variables 3. Read the next line. Here is what I've gotten so far. ...

2. Shell Programming and Scripting

how can i read text file and assign its values to variables using shell

Hello, I have a cat.dat file, i would like shell to read each 3 lines and set this 3 lines to 3 different variables. my cat.dat is: 11 12 +380486461001 12 13 +380486461002 13 14 +380486461003 i want shell to make a loop and assign 1st line to student_id, 2nd line to...

3. Shell Programming and Scripting

assign colon delimited strings to variables

Man it has been too long since I have had to do this type of stuff... OK I have a file with lines in it looking like this: bob:johnson:email@email.com (most lines) john:F.:doe:email2@email.com (but some are like this) I need to loop through and assign vars to the values: var Fname =...

4. Shell Programming and Scripting

How to read a file and assign variables to data?

Hi, I need a simple csh script to read a file containing data like this Buy Transactions : 175 Sell Transactions : 212 Server: sepo2 i want to read both field and its value and assign variables to each..

5. Shell Programming and Scripting

Read variables names from array and assign the values

Hi, I have requirement to assign values to variables which are created dynamically. Below is the code which i am using to achieve above requirement. #!/bin/ksh oIFS="$IFS"; IFS=',' STR_FAIL_PARENT_IF_FAILS="WF_F_P_IF_FAILS1,WF_F_P_IF_FAILS2,WF_F_P_IF_FAILS3" set -A...

6. Shell Programming and Scripting

Read record from the text file & assign those values to variables in the script

For eg: I have sample.txt file with 4 rows of record like: user1|password1 user2|password2 user3|password3 user4|password4 The username and password is sepsrated by '|' I want to get the 1st row value from the file and assign it to two different variables(username and password) in my...

7. Shell Programming and Scripting

Unable to read assign values to two variables in while loop

I am trying to read a input file which has two columns separated by space Input file server1 server2 server3 server4 server5 server6 When i execute the below while code it reads line by line and a and b variables are able to successfully fetch the values while read a b do echo "$a" echo...

8. Shell Programming and Scripting

Assign variables to CSV string (bash)

Hi guys, New to the forum, and been messing around with Linux for about a year now. I'm still very much a rookie, so just assume that I'm a total idiot: I currently have a shell that spits out a CSV number string of about 8 numbers as follows: 1.00,2.00,3.00 ... ,8.00I need to assign a...

9. Shell Programming and Scripting

Psql output into array and read 2 fields into different variables

Hello Just edited the entry to make it easier to understand what i want How can i achieve this: GOAL: read 2 field from a table with PSQL result of this PSQL command is this INSTALLEDLANG=$(su - postgres -c "psql -A -t -q -c -d ${DBNAME} -t -c 'SELECT code, iso_code from res_lang'") ...

10. UNIX for Beginners Questions & Answers

Read line and save fields as variables

Hej guys, I am trying to read a csv file line by line, save it's fields as variables per line so I can use them as parameters and execute stuff. I am new to shell scripting and was just strictly following a tutorial. Somehow my version seems to ignore the loop. Any help? TY! :) #!/bin/bash...

LEARN ABOUT DEBIAN

g_principal

g_principal(1)					 GROMACS suite, VERSION 4.5.4-dev-20110404-bc5695c				    g_principal(1)

NAME

       g_principal - calculates axes of inertia for a group of atoms

       VERSION 4.5.4-dev-20110404-bc5695c

SYNOPSIS

       g_principal  -f	traj.xtc  -s topol.tpr -n index.ndx -a1 axis1.dat -a2 axis2.dat -a3 axis3.dat -om moi.dat -[no]h -[no]version -nice int -b
       time -e time -dt time -tu enum -[no]w -[no]foo

DESCRIPTION

	g_principal calculates the three principal axes of inertia for a group of atoms.

FILES

       -f traj.xtc Input
	Trajectory: xtc trr trj gro g96 pdb cpt

       -s topol.tpr Input
	Structure+mass(db): tpr tpb tpa gro g96 pdb

       -n index.ndx Input, Opt.
	Index file

       -a1 axis1.dat Output
	Generic data file

       -a2 axis2.dat Output
	Generic data file

       -a3 axis3.dat Output
	Generic data file

       -om moi.dat Output
	Generic data file

OTHER OPTIONS

       -[no]hno
	Print help info and quit

       -[no]versionno
	Print version info and quit

       -nice int 19
	Set the nicelevel

       -b time 0
	First frame (ps) to read from trajectory

       -e time 0
	Last frame (ps) to read from trajectory

       -dt time 0
	Only use frame when t MOD dt = first time (ps)

       -tu enum ps
	Time unit:  fs,  ps,  ns,  us,	ms or  s

       -[no]wno
	View output  .xvg,  .xpm,  .eps and  .pdb files

       -[no]foono
	Dummy option to avoid empty array

SEE ALSO

       gromacs(7)

       More information about GROMACS is available at <http://www.gromacs.org/>.

								  Mon 4 Apr 2011						    g_principal(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Awk/shell question: Read from file and assign to variables.

Discussion started by: akbar

2. Shell Programming and Scripting

how can i read text file and assign its values to variables using shell

Discussion started by: rosalinda

3. Shell Programming and Scripting

assign colon delimited strings to variables

Discussion started by: NewSolarisAdmin

4. Shell Programming and Scripting

How to read a file and assign variables to data?

Discussion started by: pravsripad