expr: non-numeric argument Post: 302437183

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expr+float argument: how can i do?

Hi everybody, I want to know how can i use the command 'expr' to manipulate float number , i have a shell bash and when (for example) i do: y1=`expr $ 1/ 16 $` it returns 0 and if i do y1=`expr $ 1.6 / 16 $` it returns non numeric argument. is there another command for mathematic...

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non-numeric argument

quick question, I am trying to run this simple equation expr 2048 / 2.354 but get a "expr: non-numeric argument" error when ever its run. I believe it may be caused by the decimal point but I do not know how to remedy it.

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First argument is numeric or not

Hi everyone, I want my script to check if the first argument has only numbers or not. Im not sure what im doing wrong. This is how it looks like: if *") ] then echo 'The first arguement should only be in numeric' 1>&2 exit 1 else exit 0 fi

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I am running AIX 5.3 using the Korn Shell. I am reading file names from a file, as an example: E0801260 E0824349 E0925345 EMPMSTR statement "num=$(expr substr "$DDNAME" 4 2) extracts the numeric values fine. But when I het the last entry, it returns num=MS, but I get an error...

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i wrote this simple shell script #!/bin/bash read N1 read N2 expr $N1 + $N2 it work fine in bash and i add it on xinetd for some test but when i try to use in with telnet i got this error : ehsan@debian:~$ telnet 192.168.1.4 1234 Trying 192.168.1.4... Connected to 192.168.1.4....

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Expr: non-integer argument

This is my code.... It works correct, but does not work with 4 and 5. My program is about finding average. so when i run 4 5 it gives me error "expr: non-integer argument". But when i say sh average 45 67 it works. Whats wrong?how to fix it? sum=0 n=0 if then for i in $* do if ...

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Expr: non-numeric argument syntax error on line 1, teletype

Hi, I tried to look up the issue i'm experiencing, but i'm confused what's wrong with my script. After executing the script I'm getting the following error expr: non-numeric argument syntax error on line 1, teletype After some research, it seems that the problem relates to bc. I have...

LEARN ABOUT DEBIAN

tessrun

TESSRUN(1)																TESSRUN(1)

NAME

       tessrun - convenience script for running TESS scripts en masse

SYNOPSIS

       tessrun [ -h ] [ -l ] [ -l ] [ application [ args ...] ]

DESCRIPTION

       The  tessrun script is part of TESS, the (Te)st (S)ystem for (S)-Lang.  It is intended to simplify the invocation, typically within a Make-
       file, of TESS-based automated regression suites.  Each test in the current directory (marked by a .t suffix) will be  automatically  loaded
       into the S-Lang interpreter (within slsh, by default) and executed.

       tessrun returns 1 if any tests fail, otherwise 0.

OPTIONS

       -h     Output this short help text.

       -l     Supports local execution of examples (before install).

       -v     Verbose mode.

       application [ args ...]
	      Replace the use of slsh with the given application, and optional arguments.

AUTHOR

       The  author of TESS is Michael S. Noble <mnoble@space.mit.edu>.	Rafael Laboissiere <rafael@debian.org> created the TESS package for Debian
       and helped author this manual page.

       Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General  Public  License,  Version  2  any
       later version published by the Free Software Foundation.

       On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL

SEE ALSO

       On  Debian  systems  the reference manual for TESS can be found at /usr/share/doc/slang-tess/tess.txt.gz.   It is also packaged in text and
       PDF forms in the source distribution.

								 02 November 2005							TESSRUN(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

expr+float argument: how can i do?

Discussion started by: mips

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non-numeric argument

Discussion started by: TiredOrangeCat

3. UNIX for Dummies Questions & Answers

Non Numeric Argument Error

Discussion started by: Allenzo

4. UNIX for Dummies Questions & Answers

First argument is numeric or not

Discussion started by: darkhider