redirect input from file? Post: 302173909

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please help: how to redirect input into a variable

I'm trying to write a simple script program (C shell). I have a problem redirecting input into a variable. Say I have a variable called J, and there is file called result which contains just some number, say 5. Which command should I use to assign J value 5 from the file result. I tried the...

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can you redirect multiple files for input?

I have a program that is reading strings into a vector from a file. Currently I am using this command: a.out < file1 The program runs and prints the contents of the vector to the screen, like its supposed to. The problem is that it needs to read in 3 files to fill the vector. Is there anyway...

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Input file redirect in output path and want name as inputfilename_new.txt

not required this time

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Hi All, Sorry if the title is not good but I did not know how to explain with only some words! What I meant is: I have a unix command built from a private application vendor that when executed it prompts for two entries by the keyboard, let's say, for example: ...

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I have a script that is working when I input parameters from the command line. I was under the assumption that i could use a redirect for the input. script fred.sh: value1=$1 value2=$2 print $value1 $value2 Running from command line: fred.sh 1 2 1 2 Contents of file fred.txt:...

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Suppose I have a program that I've written that accepts input, ie this C++ program: #include <iostream> using namespace std; int main() { cout << "Enter something:" << endl; int x; cin >> x; cout << "You entered data" << endl; } Suppose that I have a text file,...

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Read file from input and redirect to output file

Hi , i am having an file which contains 5 file_name data, i need to read the file name and will perform certain operation and generate out file names with named as 5 individual file_names for eg: file.txt contains file_name1.txt|hai file_name2.txt|bye file_name3.txt|how...

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Redirect output to the same input file in awk

Hi, I want to compare a value from test file and redirect the o/p value to the same file input file 250 32000 32 128 Below is my code awk '{ if ($1 < "300") print $1 > /tmp/test}' test want to compare 250 < 300 then print 300 to the same place below is the...

LEARN ABOUT MINIX

vipw

vipw(1B)					     SunOS/BSD Compatibility Package Commands						  vipw(1B)

NAME

       vipw - edit the password file

SYNOPSIS

       /usr/ucb/vipw

DESCRIPTION

       vipw edits the password file while setting the appropriate locks, and does any necessary processing after the password file is unlocked. If
       the password file is already being edited, then you will be told to try again later.  The vi(1) editor will be used unless the  environment
       variable VISUAL or EDITOR indicates an alternate editor.

       vipw performs a number of consistency checks on the password entry for root, and will not allow a password file with a "mangled" root entry
       to be installed.  It also checks the /etc/shells file to verify the login shell for root.

FILES

       /etc/ptmp

       /etc/shells

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWscpu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       passwd(1), vi(1), passwd(4), attributes(5)

SunOS 5.10							    14 Sep 1992 							  vipw(1B)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

please help: how to redirect input into a variable

Discussion started by: artur80

2. UNIX for Dummies Questions & Answers

can you redirect multiple files for input?

Discussion started by: Matrix_Prime

3. Shell Programming and Scripting

Input file redirect in output path and want name as inputfilename_new.txt

Discussion started by: Sandeep_Malik

4. UNIX for Advanced & Expert Users

Complex Input/Output Redirect

Discussion started by: felipe.vinturin