Sponsored Content
Top Forums Shell Programming and Scripting If inside while loop script error Post 302533240 by itkamaraj on Thursday 23rd of June 2011 05:59:00 AM
Old 06-23-2011
use > symbol to compar

Code:
 
bash-3.00$ [ $PI >  5 ] && echo "High" || echo "Less"
High

bash-3.00$ [ "$PI" > "5" ] && echo "High" || echo "Less"
High

bash-3.00$ [ $PI -gt 5 ] && echo "High" || echo "Less"
bash: [: 3.14: integer expression expected
Less

 

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Error connecting oracle from inside while loop

Hi, I m trying to connect oracle database from inside while loop. I m trying to put the output of sql query in a flat file. Anyone please help me out. cat $FILE_NAME | \ while read da_name do $ORACLE_HOME/bin/sqlplus -s user_name/password@instance << EOF >> $OUTPUT_FILE select... (3 Replies)
Discussion started by: Devesh5683
3 Replies

2. Shell Programming and Scripting

rsh script with inside a for loop

hi everyone, I have the following problem: the foreach loop inside rsh doesn'work. I have tried the for command but it's not recognized. with the foreach command I don't receive any error, but it doesn't really make the cycle, ignoring the foreach and executing 1 time the echo command. Anyone has... (5 Replies)
Discussion started by: trekianov
5 Replies

3. Shell Programming and Scripting

Using variables created sequentially in a loop while still inside of the loop [bash]

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)
Discussion started by: DeCoTwc
2 Replies

4. Shell Programming and Scripting

BASH loop inside a loop question

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)
Discussion started by: rethink
4 Replies

5. Shell Programming and Scripting

How to give a variable output name in a shell script inside a for loop

Hi all I run my program prog.c in the following way : $ ./prog 1 > output.txt where 1 is a user defined initial value used by the program. But now I want to run it for many a thousand initial values, 1-1000, and store all the outputs in different files. Like $ ./prog 1... (1 Reply)
Discussion started by: alice06
1 Replies

6. Shell Programming and Scripting

help in running while loop inside a shell script

I have an input file at ./$1.txt with content of seq numbers like : 1234567890 1234589700 . . so on.. I need to take each seq nbr from the input file ,run the query below: select ackname,seqnbr from event where event_text like '%seqnbr( from the input file)' and redirect the... (11 Replies)
Discussion started by: rkrish
11 Replies

7. Shell Programming and Scripting

Problem passing a search pattern to AWK inside a script loop

Learning, stumbling! My progress in shell scripting is slow. Now I have this doubt: I have the following file (users.txt): AU0909,on AU0309,off AU0209,on AU0109,off And this file (userson.txt) AU0909 AU0209 AU0109 AU0309 I just want to set those users on userson.txt to "off" in... (14 Replies)
Discussion started by: quinestor
14 Replies

8. Shell Programming and Scripting

How to increment date using "for loop" in format MMDDYY inside the shell script?

Need to increment the date from "currentdate + 90days" inside the for loop (i=1 to i=50) (5 Replies)
Discussion started by: aroragaurav.84
5 Replies

9. UNIX for Dummies Questions & Answers

Write a while loop inside for loop?

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

10. UNIX for Beginners Questions & Answers

How to write a Boolean variable which succeed and failed inside the if loop in shell script ?

I have if loop with multiple variable value check in if loop. How can i print only if loop satisfied variable and its value in shell script ? I dont want to check each variable in if loop. That makes my script larger. if ] then echo "Only satisfied variable with value" ... (3 Replies)
Discussion started by: prince1987
3 Replies
echo(3XCURSES)						  X/Open Curses Library Functions					    echo(3XCURSES)

NAME
echo, noecho - enable/disable terminal echo SYNOPSIS
cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib -R /usr/xpg4/lib -lcurses [ library... ] c89 [ flag... ] file... -lcurses [ library... ] #include <curses.h> int echo(void); int noecho(void); DESCRIPTION
The echo() function enables Echo mode for the current screen. The noecho() function disables Echo mode for the current screen. Initially, curses software echo mode is enabled and hardware echo mode of the tty driver is disabled. The echo() and noecho() functions control soft- ware echo only. Hardware echo must remain disabled for the duration of the application, else the behavior is undefined. RETURN VALUES
Upon successful completion, these functions return OK. Otherwise, they return ERR. ERRORS
No errors are defined. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |Unsafe | +-----------------------------+-----------------------------+ SEE ALSO
getch(3XCURSES), getstr(3XCURSES), initscr(3XCURSES), libcurses(3XCURSES), scanw(3XCURSES), attributes(5), standards(5) SunOS 5.10 5 Jun 2002 echo(3XCURSES)
All times are GMT -4. The time now is 04:17 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy