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Full Discussion: Create a formated text file
Top Forums Shell Programming and Scripting Create a formated text file Post 302266274 by msb65 on Tuesday 9th of December 2008 07:29:02 PM
Old 12-09-2008
Create a formated text file

Hi,

I have written a BASH shell script (included below) which will allow me to monitor my blood pressure. The script computes the mean of 5 user input systolic, diastolic, and heart rate values.

I would like the script to then append these three values to their respective columns in a text file. How do I do this? I would like the text file to be formated so that it can be read into EXCEL. Thanks a lot.

Mike

Code:
#!/bin/bash


###########################################################################
###########################################################################
SYSTOLIC=(120 130 125 124 122)
DIASTOLIC=(90 80 75 89 73)
HEARTRATE=(60 70 80 85 75)
###########################################################################
###########################################################################


###########################################################################
###########################################################################
#Perform an initial check:

echo; echo; echo 'Performing initial check:'

#Check that SYSTOLIC has 5 elements:
if [ ${#SYSTOLIC[@]} -eq 5 ]; then
    echo 'SYSTOLIC has 5 elements:' ${SYSTOLIC[@]}
else
    echo; echo; echo 'ERROR: SYSTOLIC does not have 5 elements'
    exit 1
fi

#Check that DIASTOLIC has 5 elements:
if [ ${#DIASTOLIC[@]} -eq 5 ]; then
    echo 'DIASTOLIC has 5 elements:' ${DIASTOLIC[@]}
else
    echo; echo; echo 'ERROR: DIASTOLIC does not have 5 elements'
    exit 1
fi

#Check that HEARTRATE has 5 elements:
if [ ${#HEARTRATE[@]} -eq 5 ]; then
    echo 'HEARTRATE has 5 elements:' ${HEARTRATE[@]}
else
    echo; echo; echo 'ERROR: HEARTRATE does not have 5 elements'
    exit 1
fi

echo 'Initial check complete'
###########################################################################
###########################################################################


###########################################################################
###########################################################################
#Compute the mean blood pressure and heart rate values:

echo; echo; echo 'Computing mean blood pressure and heart rate values:'

let MEAN_SYSTOLIC=(${SYSTOLIC[0]} + ${SYSTOLIC[1]} + ${SYSTOLIC[2]} + ${SYSTOLIC[3]} + ${SYSTOLIC[4]})/5
let MEAN_DIASTOLIC=(${DIASTOLIC[0]} + ${DIASTOLIC[1]} + ${DIASTOLIC[2]} + ${DIASTOLIC[3]} + ${DIASTOLIC[4]})/5
let MEAN_HEARTRATE=(${HEARTRATE[0]} + ${HEARTRATE[1]} + ${HEARTRATE[2]} + ${HEARTRATE[3]} + ${HEARTRATE[4]})/5

echo 'Mean Systolic:' $MEAN_SYSTOLIC
echo 'Mean Diastolic:' $MEAN_DIASTOLIC
echo 'Mean Heartrate:' $MEAN_HEARTRATE
###########################################################################
###########################################################################

 

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echo(1B)					     SunOS/BSD Compatibility Package Commands						  echo(1B)

NAME
echo - echo arguments to standard output SYNOPSIS
/usr/ucb/echo [-n] [argument] DESCRIPTION
echo writes its arguments, separated by BLANKs and terminated by a NEWLINE, to the standard output. echo is useful for producing diagnostics in command files and for sending known data into a pipe, and for displaying the contents of envi- ronment variables. For example, you can use echo to determine how many subdirectories below the root directory (/) is your current directory, as follows: o echo your current-working-directory's full pathname o pipe the output through tr to translate the path's embedded slash-characters into space-characters o pipe that output through wc -w for a count of the names in your path. example% /usr/bin/echo "echo $PWD | tr '/' ' ' | wc -w" See tr(1) and wc(1) for their functionality. The shells csh(1), ksh(1), and sh(1), each have an echo built-in command, which, by default, will have precedence, and will be invoked if the user calls echo without a full pathname. /usr/ucb/echo and csh's echo() have an -n option, but do not understand back-slashed escape characters. sh's echo(), ksh's echo(), and /usr/bin/echo, on the other hand, understand the black-slashed escape characters, and ksh's echo() also understands a as the audible bell character; however, these commands do not have an -n option. OPTIONS
-n Do not add the NEWLINE to the output. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+ SEE ALSO
csh(1), echo(1), ksh(1), sh(1), tr(1), wc(1), attributes(5) NOTES
The -n option is a transition aid for BSD applications, and may not be supported in future releases. SunOS 5.11 3 Aug 1994 echo(1B)
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