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Full Discussion: Compare and calculate two variables
Top Forums Shell Programming and Scripting Compare and calculate two variables Post 302876964 by faka on Wednesday 27th of November 2013 11:34:43 AM
Old 11-27-2013
Compare and calculate two variables
Hi, I have two variables with some values with 5 decimal digits and separated with space, the values of the variables are different, I want to make operations with this two variables.
The way was I find to do it itīs with files and
Code:
paste file1 file2 | awk '{print $1 - $2}'

I want to make it with the variables without files.
There is a way to do it?

Code:
Variable1=89.90000 21.65000 28.10000 29.20000 1.80000 2.80000 8.30000 9.80000 1.59770 1.65250 0.91650 0.90270 102.22000 100.80000 1.34410 1.36110 11.91670 7.46430 2.58430 2.13270 4515.47000 4322.26000 2.73080 2.73080 16072.54000 1220.55000 1220.55000
Variable2=95.90000 61.65000 28.10000 29.20000 1.80000 2.80000 8.30000 9.80000 1.59770 5.65250 0.91650 0.90270 102.22000 100.80000 1.34410 1.34110 11.91470 7.46430 2.58430 2.13270 4515.47000 4322.26000 2.73080 2.73080 16072.54000 1220.55000 1220.55000

Last edited by radoulov; 11-27-2013 at 12:43 PM..
 

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LEARN ABOUT X11R4

envsubst

ENVSUBST(1)								GNU							       ENVSUBST(1)

NAME

       envsubst - substitutes environment variables in shell format strings

SYNOPSIS

       envsubst [OPTION] [SHELL-FORMAT]

DESCRIPTION

       Substitutes the values of environment variables.

   Operation mode:
       -v, --variables
	      output the variables occurring in SHELL-FORMAT

   Informative output:
       -h, --help
	      display this help and exit

       -V, --version
	      output version information and exit

       In  normal  operation  mode, standard input is copied to standard output, with references to environment variables of the form $VARIABLE or
       ${VARIABLE} being replaced with the corresponding values.  If a SHELL-FORMAT is given, only those environment variables that are referenced
       in SHELL-FORMAT are substituted; otherwise all environment variables references occurring in standard input are substituted.

       When --variables is used, standard input is ignored, and the output consists of the environment variables that are referenced in SHELL-FOR-
       MAT, one per line.

AUTHOR

       Written by Bruno Haible.

REPORTING BUGS

       Report bugs to <bug-gnu-gettext@gnu.org>.

COPYRIGHT

       Copyright (C) 2003-2007 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       The full documentation for envsubst is maintained as a Texinfo manual.  If the info and envsubst programs are properly  installed  at  your
       site, the command

	      info envsubst

       should give you access to the complete manual.

GNU gettext-runtime 0.17					   November 2007						       ENVSUBST(1)
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