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Using bash variables for range in sed


Using bash variables for range in sed

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Using bash variables for range in sed
Tag : bash , By : user123284
Date : November 24 2020, 05:47 AM


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How do I iterate over a range of numbers defined by variables in Bash?


Tag : bash , By : Zelos
Date : March 29 2020, 07:55 AM
To fix the issue you can do How do I iterate over a range of numbers in Bash when the range is given by a variable?
for i in $(seq 1 $END); do echo $i; done

Passing multiple variables from local bash to remote bash script without gobbling


Tag : linux , By : user179863
Date : March 29 2020, 07:55 AM
I wish this helpful for you I'm having trouble sending multiple variables to a remote bash script without gobbling occurring.
ssh user@serverip "/usr/path/to/script.sh http://www.web.com/$1 http://web.com/$2 $timestamp";
/usr/path/to/script.sh http://www.web.com/$1 http://web.com/$2 $timestamp
ssh user@serverip "/usr/path/to/script.sh 'http://www.web.com/$1' 'http://web.com/$2' '$timestamp'";

How to use variables in a range from 1 to 200 in loop on bash


Tag : arrays , By : NewGirl
Date : March 29 2020, 07:55 AM
I hope this helps you . Brace expansion happens before variable expansion, so you can't use it with variables. Use a loop or the seq command.
for ((i=t1; i<=t2; i++)) ; do
    host=$host_start$i.$domain
for i in $( seq $t1 $t2 ) ; do
    host=$host_start$i.$domain

how to call a bash function providing environment variables stored in a Bash array?


Tag : bash , By : Tony Z
Date : March 29 2020, 07:55 AM
will be helpful for those in need I got two variables in a bash script. One contains the name of a function within the script while the other one is an array containing KEY=VALUE or KEY='VALUE WITH SPACES' pairs. They are the result of parsing a specific file, and I can't change this. , You can do like this:
declare -a funcenv=(MYVAR=test "MYVAR2='test2 test3'")
for pairs in "${funcenv[@]}"; do
    eval "$pairs"
done
"$funcname"

Bash - for loop with range of variables


Tag : bash , By : Ravenal
Date : March 29 2020, 07:55 AM
this will help Trying to print range of ip addresses to a file. Instead of looping through the range it just prints one line containing the variable values. , This usage of seq and xargs looks cool and funny:
seq 192 192 |
xargs -i seq -f "{}.%.0f" 168 168 |
xargs -i seq -f "{}.%.0f" 0 0 |
xargs -i seq -f "{}.%.0f" 0 255
seq $a $e |
xargs -i seq -f "{}.%.0f" $b $f |
xargs -i seq -f "{}.%.0f" $c $g |
xargs -i seq -f "{}.%.0f" $d $h |
while read ip; do
   ...
done
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