how to use expr Post: 302273700

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1. UNIX for Dummies Questions & Answers

expr

Hello! I want to evaluate some mathematical expressions in a script and I try to use 'expr' command. Unfortunatally, when I have, for example, expr 8.2 + 6 the result is 'expr: non-numeric argument' Why ? I work on SunOs 5.7. Thanks in advance Nathe

2. Shell Programming and Scripting

expr problem

Hi, in my ksh script expr 22 / 10 results as 2 but the actual result expected in 2.2. how do i get that result. Please help Thanks,

3. Shell Programming and Scripting

getting error with expr

sum=0; cat op_api2 |while read word1 word2; do echo $word2 sum=`expr $word2 + $sum`; done echo $sum op_api2 ( file has this data ) ---------------------------- UsageSummary 1034 UsageSummary 1675 UnbilledUsage 175 UnbilledUsage 177 UnbilledUsage 177 UnbilledUsage 194 I want the...

4. Shell Programming and Scripting

test expr VS [ expr ]

What is the difference between test expr VS . For example : if test 5 -eq 6 echo "Wrong" and if echo "Wrong" bot will give the same output as Wrong. Now, what is the difference between these two? though they are producing the same result why we need two? Any answer will be...

5. Shell Programming and Scripting

expr command help

I'm trying to check if a variable'd string is only one character and use that in an if statement the only way I could find is: $expr "${var}" : . # expr STRING : regrep where the "." is the grep wildcard for any single character. Whats wrong with my code here and is there a...

6. Shell Programming and Scripting

the expr \*

$ cat > mtable #!/bin/sh # #Script to test for loop # # if then echo "Error - Number missing form command line argument" echo "Syntax : $0 number" echo "Use to print multiplication table for given number" exit 1 fi n=$1 for i in 1 2 3 4 5 6 7 8 9 10 do echo "$n * $i = `expr $i \*...

7. UNIX for Dummies Questions & Answers

expr ?!

Hey there i want to subtract the content from $b from $a. Each variable has got 18 values (normal numbers from 0 - 99). How can i subtract them? I know i have to use the expr command, this is what i have till now: a=`cat Tabelle.dat | awk {'print $4'} | awk -F: {'print $1'}` b=`cat...

8. Shell Programming and Scripting

Error with expr - "expr: syntax error"

Hi All, I'm writing a shell script in KSH, where I want to store the filename, total record count and actual record count of all the source files. The source files reside in 4 different sub-folders under the same root folder. Below is code: #!/usr/bin/ksh...

9. Shell Programming and Scripting

If + expr

10. Shell Programming and Scripting

Nn$( expr $n + 1)

HI there I am trying to understand Shell scripting to create my own, I am attempting a few examples can anyone tell me what this means?n=$( expr $n + 1)Tried looking on the internet, but just cannot find its anywhere :( .Help please

LEARN ABOUT DEBIAN

griffith

griffith(1)															       griffith(1)

NAME

       griffith - film collection manager

SYNOPSIS

       griffith

DESCRIPTION

       Griffith  is a film collection manager.	Adding items to the movie collection is as quick and easy as typing the film title and selecting a
       supported source. Griffith will then try to fetch all the related information from the Web.

OPTIONS

       -h --help
	      Show usage information.

       -D --debug
	      Run in debug mode.

       -C --clean
	      find and delete orphan files in posters directory.

       --check-dep
	      check dependencies - if all needed Python modules are installed, it prints nothting.

       --sqlecho
	      Prints all SQL queries to standard output.

       --home DIR
	      Set Griffith's home directory. Use this option if you want to change the default ~/.griffith

       Printing movie list:

       -c <expr> --cast=<expr>
	      cast field must contain <expr>

       -d <expr> --director=<expr>
	      director field must contain <expr>

       -o <expr> --original_title=<expr>
	      original title field must contain <expr>

       -t <expr> --title=<expr>
	      title field must contain <expr>

       -y <number> --year=<number>
	      movie must be released in year <number>

       -s <columns> --sort=<columns>
	      set sort columns to <columns>. Example: --sort=o_title,number,director

SEE ALSO

       Homepage: <http://www.griffith.cc/>

BUGS

       If you want to help or report any bugs founded please visit homepage <http://www.griffith.cc/> or <https://bugs.launchpad.net/griffith>

AUTHORS

       Griffith was written by Vasco Nunes and Piotr OA1/4arowski.  See the AUTHORS and THANKS files for a list of other contributors.

       Copyright (C) 2005-2008 Vasco Nunes <vasco.m.nunes@gmail.com>, Piotr OA1/4arowski <ozarow+griffith@gmail.com>,

       This man page was written by Piotr Ozarowski

								   Dec 20, 2006 						       griffith(1)

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

expr

Discussion started by: Nathe

2. Shell Programming and Scripting

expr problem

Discussion started by: kotasateesh

3. Shell Programming and Scripting

getting error with expr

Discussion started by: bishweshwar

4. Shell Programming and Scripting

test expr VS [ expr ]

Discussion started by: ashok.g