echo variable problem Post: 63350

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Display from a variable using echo.

I have a variable that is outputting a lot of space. here has been 45 lines returned ... how can I remove the spaces between the "been and the 45" CODE: fil_len=`wc -l < coshb.txt` if ; then cat coshb.txt | more echo " " echo "There has been ${fil_len} lines...

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assigning variable value using echo

I am modifying an existing script and it has the following line: export SomeEnvVar=`echo ${SomeLocalVar}` Why wouldn't it just read: export SomeEnvVar=${SomeLocalVar} Is there some reason to use echo instead of a direct assignment? :confused:

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calling a variable to echo to a log

Hi everyone, I am trying to create a simple batch file to make SQL backups. this part of it works fine. Currently the script can mysql dump the databases, compress them, delete the .sql, compress the individual tar.gz into one larger one, delete the smaller files, encrypt the final tar.gz and...

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echo multiple variable with calculation

$total=500 echo "scale=2; $val1*100/$total" | bc echo "scale=2; $val2*100*100/$total" | bc echo "scale=2; $val3*100/$total" | bc I want to make the above code to be accomplish in a single echo line. For instance output:21.3, 44.2, 51.6 How to achieve that, some one please help, i just...

5. Shell Programming and Scripting

read variable after echo

Hi, i want to create an user-friendly script where you are asked for two numbers. i would like that these two number to be separated with "--" for example, but i can't figure out how to do this. for example read -p "Insert lowest and highest value: " min ; echo -n "-- "; read max so...

6. UNIX for Dummies Questions & Answers

How to assign echo in variable

I've testing the following code: echo test.txt | cut -d . -f1and get the output "text" So why can't i assign the command to a variable? VAR='"echo test.txt | cut -d . -f1"' echo $VAR

7. Shell Programming and Scripting

Problem with variable ECHO $((SED...

Hi, I'm new here so I want to say hello to everyone first! I searched google and this forum for a similar problem, but wasn't successful #! /bin/bash I'm trying to output (echo) n lines of a text file to the screen (later into another file). But I have problem with the sed command, it won't...

8. Shell Programming and Scripting

echo the NAME of the variable

#!/bin/bash varA="AAA1" varB="BBB2" varC="CCC3" for proccx in $varA $varB $varC do echo "the current name is ????? , the value is $proccx" echo " " done #end of script I want the output to look something like this: the current name is varA, the value is AAA1 the current name is...

9. Shell Programming and Scripting

Echo not displaying variable in If-Else condition

if then echo "Entry Valid : ${x_oug}" else echo "Entry Invalid : " 0 fi In the above code the 3rd line is not working... it does not print anything I tried following as well .. but no luck! echo "Entry Valid : ...

10. Shell Programming and Scripting

Echo awk output from its variable

Stumped with the formatting of the awk output when used with variables, e.g.: awk -F, 'BEGIN {OFS=","} print {$2,$3,$4}' $infile1 produces the desired output (with rows), but when echoing the variable below, the output is one continuous line var1=$(awk -F, 'BEGIN {OFS=","} print...

LEARN ABOUT DEBIAN

vm

VM(1)								      mgetty								     VM(1)

NAME

       vm - VoiceModem is the program for handling the voice modem functionality from shell scripts

ACTIONS

       beep options [<frequency [<length in 0.001sec>]]>
       diagnostics options device name (e.g. ttyS2
       dial options phone number
       help
       play options [<file names]+>
       record options file name
       shell options [<shell script [shell options]]>
       wait  options [<time in seconds]>
       devicetest

OPTIONS

       -c n use compression type n
       -d n set i/o device
       -t, -m, -i, -e, -s, -H equals to -d <2,3,4,5,6,7>
       -l s set device string (e.g. -l ttyS2:ttyC0)
       -v verbose output
       -w use off / on hook signal from local handset to start and stop recording
       -x n set debug level
       -L n set maximum recording length in sec
       -P print first DTMF tone on stdout and exit
       -R read and print DTMF string on stdout and exit
       -S s set default shell for shell scripts (e.g. -S /bin/sh)
       -T n set silence timeout in 0.1sec
       -V n set silence threshold to <n> (0-100%%)

SEE ALSO

       vgetty(1)

POD ERRORS

       Hey! The above document had some coding errors, which are explained below:

       Around line 30:
	   You forgot a '=back' before '=head1'

       Around line 32:
	   '=item' outside of any '=over'

       Around line 71:
	   You forgot a '=back' before '=head1'

perl v5.10.1							    2010-04-04								     VM(1)

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Display from a variable using echo.

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assigning variable value using echo

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calling a variable to echo to a log

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How to assign echo in variable

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Problem with variable ECHO $((SED...

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