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hmm, very interesting construct. thank you for that.

One question though regarding the following piece of code:
[[ 0 = $ret ]] && \
exit_msg="SUCCESS - $exit_msg" || \
exit_msg="FAILURE -...

no it's not homework.

I've made some changes to it (whole code as requested):



# if we specify a proxy on $2, add the -x flag to curl
if [ "$proxy" ]; then
# the whitespace is important...

Hello everyone,

I'm currently working on a script that uses curl's to check internet connectivity with and without a proxy being specified.
Basically what I'd like to achieve is having the...

This is what I came up with so far, thank you for the hints:
workdir='/tmp'
iso_name='install65.iso'
sha_file='SHA256'

file = open(workdir + '/' + sha_file, 'r')
for lines in file:
...

Hello everyone,

Since my python knowledge is limimted, I've challenged myself to learn as much as possible to help me with my carrere. I'm currently trying to convert a shell script to python,...

Thank you, I read up on "variable indirection" and it now makes sense.

so I'm going over this script someone else wrote and I haven't seen the aforementioned construct before.


The code says:
declare VAR1="${!VARIABLE:-\n}"


I know what the ":-\n" does but I...

I actually had it in quotes but copy pasted the initial code that I ended up adjusting.

What I ended up doing was using a piece of code I found on stackoverflow:
json2keyvalue() {
echo $JSON | jq -r '{Element1,Element2,Element3} | to_entries|map("\(.key)=\(.value|tostring)")[]'
}...

I understand. Thank you!

So I'm trying to pass certain json elements as env vars and use them later on in a script.


Sample json:
JSON='{
"Element1": "file-123456",
"Element2": "Name, of, company written in,...

damn, that's a good one, dankeschoen.


BTW, regarding this:
# form the cmd to be executed BASE_CMD="base_cmd arg1" # if err=0, append "arg2" SUCC_CMD="$BASE_CMD arg2" # if err=1, change arg2 to...

I was thinking about a case statement but I have to evaluate $err and the value of $TAG together and I'm not sure how that would look and work. I guess something like this:

case "${err}" in
...

Hello everyone,

I'm stuck and I need some help with rewriting the following code. It's ugly af and I'm not sure which direction to go.



err=0
trap 'err=1' ERR


# these 2x env. vars will...

yep, that was it. Thank you very much!

#!/bin/bash

AMI_TAGS="env=prod,city=xxx,country=XXX"

AMI_TAGS="${AMI_TAGS//,/ Key#}"
AMI_TAGS="Key=${AMI_TAGS//=/,Value=}"
aws ec2 create-tags --resources ami-1234 --tags "${AMI_TAGS//#/=}"
...

One question, would it be possible to get the output without the single quotes?

currently getting: aws ec2 create-tags --resources ami-1234 --tags 'Key=env,Value=xxx Key=city,Value=xxx...

damn, that worked.

thank you very much.

now if I may ask, I can come very close ti the same result with:sed -e 's/,/ Key#/g' -e 's/=/,Value=/g' -e 's/#/=/g' but the first value "env" in this...

Good morning everyone,

I'm currently trying to convert an environment variable into a string and then attach it at the end of a command and launch it.

I have the following right now, but it's...

Hello everyone,

I'm trying to modify a php file to perform 2 actions in an if statement.

// If the delete button is pressed
if(isset($_GET['delete']) &&...

Hello everyone,

I need help in understanding the default value for getopts option's argument in ksh. I've written a short test script:

#!/bin/ksh

usage(){
printf "Usage: -v and -m are...

Hi guys,

I have a shell script where I have the following:

for i in ad0 ad1
do
gpart create -s gpt $i || echo "Cannot create GPT partition on "$i". Exiting ..."
gpart add -s 128 -t...

Hi guys,

Besides the points bellow, what would best practices for scripting be ?

1) set the PATH
2) unset the current environment (set -u ?)
3) (re)set the IFS to default value - space...

Wow .... thx, it works. Have to read what each option does. RTFM time.

THX !! :)

Hi guys,

I'm currently writing a script for automating a FreeBSD ZFS setup (ZFSonRooT). I got stuck at one point for raidz(1,2 a.k.a raid5,6) and am in need of assistance.

This is what I need....