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Full Discussion: Test temperature and alert
Top Forums Shell Programming and Scripting Test temperature and alert Post 303023759 by tomislav91 on Friday 21st of September 2018 05:15:28 PM
Old 09-21-2018
It gives me

Quote:
bash get_cpu_temp.sh
44.55
get_cpu_temp.sh: line 25: [: tc: integer expression expected
Oh no, it's greater than 90 !
this is a part of code
Code:
tc=$(echo "scale=2;(5/9)*($avg_cpu_temp-32)"|bc)
echo $tc
if [ "tc" -le "90" ]
then
        echo "Less than or equal to 90, so that's OK"
        exit 0
else
        echo "Oh no, it's greater than 90 !"
        exit 1
fi

 

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ECHO(1) 								FSF								   ECHO(1)

NAME
echo - display a line of text SYNOPSIS
echo [OPTION]... [STRING]... DESCRIPTION
NOTE: your shell may have its own version of echo which will supercede the version described here. Please refer to your shell's documenta- tion for details about the options it supports. Echo the STRING(s) to standard output. -n do not output the trailing newline -e enable interpretation of the backslash-escaped characters listed below -E disable interpretation of those sequences in STRINGs --help display this help and exit --version output version information and exit Without -E, the following sequences are recognized and interpolated: NNN the character whose ASCII code is NNN (octal) \ backslash a alert (BEL)  backspace c suppress trailing newline f form feed new line carriage return horizontal tab v vertical tab AUTHOR
Written by FIXME unknown. REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>. COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE. SEE ALSO
The full documentation for echo is maintained as a Texinfo manual. If the info and echo programs are properly installed at your site, the command info echo should give you access to the complete manual. GNU coreutils 4.5.3 February 2003 ECHO(1)
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