Cannot pipe the output to a file

Hey guys. I am writing a noscript to provision a VM on Oracle Cloud. This Bash noscript is running on Ubuntu. The command themselves are working fine. I want to log the output to a file. I tried but nothing is being logged.

The output for this Oracle command takes about 5 minutes to come through. My guess is that the "tee" command is not waiting around for the output and it times out. How can I make it wait so it will log the output?

#!/bin/bash

echo -e "#######################################################################" >> /home/ubuntu/OCIprovision.log

date >> /home/ubuntu/OCIprovision.log

oci compute instance launch \

--availability-domain $A \

--compartment-id $C \

--shape VM.Standard.A1.Flex \

--subnet-id $S \

--assign-private-dns-record true \

--assign-public-ip true \

--availability-config file:///home/ubuntu/availabilityConfig.json \

--display-name NEW-autoprovisioned \

--image-id $I \

--instance-options file:///home/ubuntu/instanceOptions.json \

--shape-config file:///home/ubuntu/shapeConfig.json \

--ssh-authorized-keys-file /home/ubuntu/.ssh/id_rsa.pub \

--| tee -a /home/ubuntu/OCIprovision.log

https://redd.it/11guy2f
@r_bash

Command to grab piece of text from somewhere

I just need some random small text. Maybe there are sites that store text pieces for such purposes? Why do I need it? Well, I wanna write a program to demonstrate how Linux commands work in practice by showing some grabbed input text on the left and transformed output on the right side with visual highlighted differences via smth like ydiff.

https://redd.it/11hdeyp
@r_bash

Sshto update

Hi, sshto is getting better and better each time)
I've added hosts selection from groups and added 'CONTENTS' button in commands section to fast jump to other groups. Now you can merge groups with ease!

Enjoy!)

https://redd.it/11hetsr
@r_bash

Tip to translate random languages with ChatGPT and tell which language is used in a text box

https://www.reddit.com/r/ChatGPT/comments/11hk3cc/tipuseakeyboardcomboshortcuttotranslatea/

https://redd.it/11hkens
@r_bash

Need some help with bash to combine two lists

I have two lists (List-1 and List-2) as shown below.

How would I combine them two by corresponding volume id (see my desired output)

​

echo $LIST1
/dev/nvme0n1:vol020dae210a89ec02f
/dev/nvme1n1:vol04a2ddeb86823787a
/dev/nvme2n1:vol0e87fd7996e425e4c
/dev/nvme3n1:vol00835963bde10321b

echo $LIST2
/dev/sda1:vol020dae210a89ec02f
/dev/sdb:vol0e87fd7996e425e4c
/dev/sdf:vol04a2ddeb86823787a
/dev/sdg:vol00835963bde10321b

​

Desired output:

echo $OUTPUT
/dev/nvme0n1:/dev/sda1
/dev/nvme1n1:/dev/sdf
/dev/nvme2n1:/dev/sdb
/dev/nvme3n1:/dev/sdg

Appreciate your help ! Cheers !

https://redd.it/11hq0my
@r_bash

Odd behavior with reading from stdin and then trying to read user input in a while loop

I successfully made a bash noscript that would make a centered list of files (images) then let you select an image interactively and it would display whatever image you would currently have selected, in the terminal using an image viewer.

It works well if I assign the array from within the bash noscript with

names=(fd . /home/sweet/Pictures/icons --extension jpg)
and then I would read the user input in a while loop that would let me move through the array in increments to select different files/images using 'j' or 'k'.

the problem Im having is that I want to be able to use any command and pipe it into my bash noscript but no matter which method I try, it blocks the user keys/input from being read. I've spent 5 hours trying every suggestion online that I could find and reading man pages but to no avail. Most of them would "work" to assign the piped in files to the array but then everytime I hit j or k it would just show up on the screen literally as an ascii character instead of catching the case statement and triggering the function to move up/down through the array, display the image and return to drawing the screen.

I tried simple things like names=$(cat) or

names=()
while read -r line; do
 names+=( "$line" )
done < "${1:-/dev/stdin}"

and "readarray -t names"

I also tried to take stdin, write it to a file and then read that file into the array. Below is the full code with some things commented out that I tried

Im trying to achieve a fzf like behavior where I can pipe images into the noscript, display them and then pick on option. Any suggestions as to how I can prevent read/stdin from blocking the ability to read user input would be amazing.

\#!/bin/bash

# move selection up
up() {
  if [ ${current} -gt 0 ]; then
current=$((current-1))
  fi
  tui
}

# move selection down
down () {
if [ ${current} -lt $((length-1)) ]; then
current=$((current+1))
fi
tui
}


# kitty
o() {
  kitty +kitten icat --scale-up --place 50x50@0x0 "${names[$current]}"
}

get_term_size() {
  read -r LINES COLUMNS < <(stty size)
}

indent() {
  for i in $(seq 1 $1); do printf ' '; done
}

# note this didnt work
# read from stdin by default unless there is an argument in pos 1
# names=()
# while read -r line; do
  # assign each item from stdin to the array
  # names+=( "$line" )
# done < "${1:-/dev/stdin}"

# This works by itself
# names=($(fd . /home/sweet/Pictures/anime-icons --extension jpg))

# length=${#names[@]}

tui() {
clear
for (( n=0; n < ${#names[*]}; n++ )); do
# n is the iterator, get word length and subtract by column size to center
wordlength=${#names[n]}
move_to=$(( $(( COLUMNS / 2)) - $(( wordlength / 2 )) ))
indent $move_to
if [ ${n} -eq ${current} ]; then
for i in $(seq 1 $wordlength); do printf '─'; done
printf '\n'
indent $move\_to
printf "\\033\[1m${names\[n\]}\\033\[0m\\n"
indent $move\_to
for i in $(seq $wordlength); do printf '─'; done
printf '\n'
else
printf "${names\[n\]}\\n"
fi
done
}

# quit program

q() {
  quit='true'
  clear
  printf '\e[?25h'

}

&#x200B;

ctrl_c() {
  clear
  printf '\e[?25h'
  exit
}

# get terminal size
get_term_size

# init variable for list index
current=0

# keep track of quit
quit='false'

# STDIN
names=$(cat)

length=${#names\[@\]}

# hide the cursor
printf '\e[?25l'

# init input list/array
tui

# main event loop
while [ ${quit} != 'true' ]; do

  # trap ctrl+c to unhide cursor and reset terminal
  trap ctrl_c INT

  # take input from user
  read -sn 1 key

  case "$key" in
'k') up;o;;
'j') down;o;;
'o') o;;
'q') q;;
  esac

done

https://redd.it/11imlvv
@r_bash

I wrote a wallpaper getter setter in pure BASH v4.2+
https://github.com/wick3dr0se/wgs

https://redd.it/11inv00
@r_bash

Help! Urgent!

Hello everyone
I am trying to solve some bash noscript questions and need some help urgently as I have a deadline to meet in a few hours. Please dm if anyone can help me solve those questions. Would love to interact and learn

https://redd.it/11jfcfx
@r_bash

Out of curiosity, what is your best noscript you can showcase?



https://redd.it/11jhm6s
@r_bash

Getting file path from an android device

I'm looking for a way to get the internal android path of an SD card from a device and assign it to a variable in bash.

For instance, when I browse my device connected to my pc, the entire working path is something like:

/run/user/1000/gvfs/mtp:host=motorola_Z38948/SanDisk SD card/Tunes

When browsing the same directory from the phone, it appears as

/storage/9028-e980-z73899-987/Tunes

As far as I can figure out (which probably isn't very far), there doesn't seem to be a way to list the latter path from the pc. So far I've been manually typing it into my noscript, but that's a terribly inefficient way to go about things, especially since the number (some sort of UID?) changes whenever the device is power cycled or the media is removed.

Any suggestions on how to retrieve the internal path for such detachable media via bash?

https://redd.it/11jjl5d
@r_bash

Do you use bash at/for your work?

New to this, just curious as to what some of you use it for besides personal projects.

https://redd.it/11jtqfu
@r_bash

bash issue with ip command

hi guys, i am trying to write a bash noscript that i will assign later to an alias, to output easier ip eth0 and eth0 ip (for openvpn)

the code looks good to me and work when both eth0 and tun0 are enabled but dont when tun0 is disabled

it output something i didnt ask for and should just change the eth0 output to "disabled" instead of being blank

ideas and help would be nice, thanks yall

https://preview.redd.it/ut9x13eed3ma1.png?width=821&format=png&auto=webp&v=enabled&s=9273f918bb620f17010feaf7b72130ae140cd4b5

https://preview.redd.it/dkmyu4ofd3ma1.png?width=457&format=png&auto=webp&v=enabled&s=992ef304e62f96e904be2aca73714b1d455eafbd

https://redd.it/11junh7
@r_bash

Where can I learn to use NNN as a noob?

What's a good tutorial on nnn for Mac. I'm a terminal noob, and installed the program. It's really fast and I love it for zipping around my folders and doing basic tasks. I've not managed to get previews however. I've spent quite some hours now with ChatGTP to get help but I mostly get inadequate, conflicting, or plainly wrong instructions. The learning curve is steep here as I'm looking at the instructions for installing preview-tui, and I can't quite get my head around it.

This is probably not the right forum for asking, but perhaps someone on here can point me in the right direction? Where can I get help with this stuff? Any advice would be appreciated.

Thanks.

https://redd.it/11kauu4
@r_bash

Trying to use inotify + cp to move file upon creation.. cp can't reach source

Script:

#!/bin/sh
source='/var/lib/awx/projects/_*/files/'
dest='/var/lib/awx/proj_dep_files'
inotifywait -m --event create,modify,delete /var/lib/awx/projects/_*/files/ --format %w%f | while read path file; do
cp -f $path /var/lib/awx/proj_dep_files/
done

Error:

Setting up watches.
Watches established.
cp: cannot stat '/var/lib/awx/projects/_33__aap_repo/files/RPM-GPG-Key-cisco-amp': No such file or directory
cp: cannot stat '/var/lib/awx/projects/_33__aap_repo/files/debsig_policy': No such file or directory
cp: cannot stat '/var/lib/awx/projects/_33__aap_repo/files/sftd.yaml.j2': No such file or directory
cp: cannot stat '/var/lib/awx/projects/_33__aap_repo/files/snmpd.conf': No such file or directory

Now source and dest have been verified a few times.. perms on source and dest = are 777.I did try just an 'echo $path $file' earlier and the value of $path is the full /dir/path/to/file.name

​

And I can run the inotify and cp parts manually and they work so I'm totally struggle bussing it on this.

​

EDIT: I realize the source and dest variables arent doing anything.. with them I get the same error. This was one iteration of testing.

https://redd.it/11kgfau
@r_bash

SryRMS: A bash noscript to help install some popular proprietary as well as libre applications not available in the official repositories of Ubuntu.
https://github.com/hakerdefo/sryrms

https://redd.it/11l7iom
@r_bash

Creating a bash noscript to match multiline patterns in log files

Hi,


I'm trying to automate some time consuming tasks/log checking, building a system that I will replicate to other uses.


I have a logfile for example:


...multiline ACTION Text where all is good...
ERR-101 Something is wrong
ERR-201 Something is wrong with QASDASDASD
INFO-524 Something was wrong
WARN-484 Check line 23

...multiline ACTION Text where all is good...
ERR-101 Something is wrong
ERR-201 Something is wrong with PPOYOYOY
INFO-524 Something was wrong
WARN-484 Check line 23
INFO-524 This is it


I'm creating a check-error.template file:


# This is the template file
ERR-101 Something is wrong
ERR-201 Something is wrong with <TEXT_VAR>
INFO-524 Something was wrong
WARN-484 Check line <NUMBER_VAR>
<?>INFO-524 This is it</?>

Starting with # is a comment, surrounded by <?> are optional (e.g. exist only in the last line).
Text and number will be regexp checked.

If the error matches the template, I know it's ignorable.
I'm not using something advanced (perl, other regexp helpers), as it will be an issue to make sure it exists on every environment.


The following function gets a file and converts the template to regexp pattern

function template2variable {
local file=$1
local var_name=$2
local template=$(sed '/^#/d' "$file")
local pattern="${template//\\/\\\\}" # replace \ with \\
pattern="${pattern//\"/\\\"}" # escape "
pattern="${pattern//<TEXT_VALUE>/([[:alnum:]_]+)}"
pattern="${pattern//<NUMBER_VALUE>/([[:digit:]]+)}"
pattern="${pattern//$'\n'/\\n}"
pattern="${pattern//<?>/(}"
pattern="${pattern//<\/?>/)?}"
printf -v "$var_name" '%s' "$pattern"
}

template2variable "check-error.template" $error_template

Matching template with:

grep -Pzo "${error_template}" $logfile

Doing so, I get back all the template lines I wished.


However, when trying to work with the grep data
using -n lists every iteration with 1
using -c I get line count of 1
using -v results in an empty output


It seems like the match has returned as one giant result instead of several I can iterate over.


What am I doing wrong?
Suggestions for improvement?


Thank you

https://redd.it/11lepmr
@r_bash

It seems one can't use FFMpeg sub-folder syntax, './', when specifying list of video/audio files to concatenate in a text file.

I'm in the folder, present working directory, /home/user/Documents/, and have 2 main folders:

File List Text Files
/Split Files/Subfolder/

The first folder contains a text file, FileList.txt, with a list of video I'd like to concatenate/merge into one sequence:

file '/home/user/Documents/Split Files/Subfolder/004.webm'
file '/home/user/Documents/Split Files/Subfolder/005.webm'

Alternatively they can be specified as:

file './Split Files/Subfolder/004.webm'
file './Split Files/Subfolder/005.webm'

The following statement is executed, to join 004.webm and 005.webm into the output file 004005.web:

ffmpeg -f concat -safe 0 -i "./File List Text Files/Filenames.txt" -c copy "./Split Files/Subfolder/004005.webm"

In Windows CMD, I could use, ./Split Files/Subfolder/004.webm, in FileList.txt, but on Ubuntu Linux, FFMpeg displays the following error:

Impossible to open './File List Text Files/./Split Files/Subfolder/004.webm'
./File List Text Files/Filenames.txt: No such file or directory

It's trying to combing the two directories into one, which wasn't the case with Windows 7 CMD.

https://redd.it/11liy3m
@r_bash

remove all but some entries from file

hello,

I have this file and I want to Delete everything in it but "DS *", "RS *", "SA *", "RX *" entries, how do I do that?

I could use grep, sed or jq.

The contents of the file looks for example like this:

"DS109j","DS508","DS408","RS408","RS408RP","DS108j","CS407","CS407e","RS407","DS207","DS207+","DS107","DS107+","DS107e","CS-406","CS-406e","RS-406","DS-106","DS-106e","DS-106j","USB Station","DS-101","DS-101g+","DS-101j","2.5\" Disk Tray (D1)","2.5\" Disk Tray (R1)","2.5\" Disk Tray (R2)","2.5\" Disk Tray (R3)","2.5\" Disk Tray (R4)","2.5\" Drive Tray (R5)","6G eSATA Cable","Adapter 100W_1","Adapter 100W_2","Adapter 10W\/11W_1_EU","Adapter 10W\/11W_1_UK","Adapter 120W_1","Adapter 24W Set","Adapter 24W_1_US","Adapter 30W Set","Adapter 36W Set","Adapter 36W_1","Adapter 42W Set","Adapter 42W_1_AU","Adapter 42W_1_EU","Adapter 42W_1_UK","Adapter 42W_1_US","Adapter 48W\/50W_1","Adapter 60W_1","Adapter 65W\/72W_1","Adapter 65W_2","Adapter 72W_2","Adapter 90W_1","CPU Cooler 40*40*10","CPU Cooler 92*92*25","CPU FAN 40*40*10_1","Cable Infiniband","Cable MiniSASHD_EXT_1","Cable MiniSASHD_EXT_2"

Thanks!

https://redd.it/11lrnzz
@r_bash

clevercli: ChatGPT powered CLI utilities.
https://github.com/clevercli/clevercli

https://redd.it/11lwoi4
@r_bash

File Test Fails – Issue With Quotation Marks

if ! [ -e "${ISBN} - Book.pdf" ]; then

Gets interpolated to:

if ! [ -e 9780367199692 - Book.pdf ]; then

Condition always resolves to file not found, because the space in the filename breaks the path....

I know this is basic, but I can't figure out how to write shell that will result in the filename quoted:

if ! [ -e "9780367199692 - Book.pdf "]; then

https://redd.it/11ma0ig
@r_bash

How to hack LD_LIBRARY_PATH to use a recent bash from a Debian sid chroot

I try to get a more up to date version of `bash` from `LinuxMint`.

I have a `chroot` with `Debian Sid` in my box.

What I try to do in a `bash` wrapper noscript, early in my `PATH`

#!/bin/bash

LD_LIBRARY_PATH=/path/to/chroot/usr/lib/x86_64-linux-gnu:/path/to/chroot/lib:/path/to/chroot/lib64:/path/to/chroot/var/lib:/path/to/chroot/usr/lib:/path/to/chroot/usr/local/lib /path/to/chroot/bin/bash "$@"

But I get:

/home/mevatlave/bin/bash: line 3: 1492488 Segmentation fault (core dumped) LD_LIBRARY_PATH=/path/to/chroot/usr/lib/x86_64-linux-gnu:/path/to/chroot/lib:/path/to/chroot/lib64:/path/to/chroot/var/lib:/path/to/chroot/usr/lib:/path/to/chroot/usr/local/lib /path/to/chroot/bin/bash "$@"

From the chroot:

% ldd /bin/bash
linux-vdso.so.1 (0x00007fff237fc000)
libtinfo.so.6 => /lib/x86_64-linux-gnu/libtinfo.so.6 (0x00007f94de839000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f94de658000)
/lib64/ld-linux-x86-64.so.2 (0x00007f94de9af000)

Is it feasible?

With

LD_LIBRARY_PATH=/path/to/chroot/lib:/path/to/chroot/lib64:/path/to/chroot/var/lib:/path/to/chroot/usr/lib:/path/to/chroot/usr/local/lib /path/to/chroot/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 /path/to/chroot/bin/bash "$@"

I get

/lib/x86_64-linux-gnu/libc.so.6: version `GLIBC_2.36' not found

With

LD_LIBRARY_PATH=/path/to/chroot/usr/lib/x86_64-linux-gnu:/path/to/chroot/lib:/path/to/chroot/lib64:/path/to/chroot/var/lib:/path/to/chroot/usr/lib:/path/to/chroot/usr/local/lib /path/to/chroot/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 /path/to/chroot/bin/bash "$@"

I get:

Segmentation fault (core dumped)
LD_LIBRARY_PATH=/path/to/chroot/usr/lib/x86_64-linux- gnu:/path/to/chroot/lib:/path/to/chroot/lib64:/path/to/chroot/var/lib:/path/to/chroot/usr/lib:/path/to/chroot/usr/local/lib: /lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 /path/to/chroot/bin/bash "$@"


I can run this one:

#!/bin/bash

LANG=C
LD_LIBRARY_PATH=/path/to/chroot/usr/lib/x86_64-linux-gnu:/path/to/chroot/lib:/path/to/chroot/lib64:/path/to/chroot/var/lib:/path/to/chroot/usr/lib:/path/to/chroot/usr/local/lib /path/to/chroot/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 /path/to/chroot/bin/bash "$@"

But when I run `bash --version`, I get:

Segmentation fault (core dumped)

-

root@debian-sid_chroot:/# dpkg -l | grep libc6
ii libc6:amd64 2.36-8 amd64 GNU C
Library: Shared libraries
ii libc6-dev:amd64 2.36-8 amd64 GNU C
Library: Development Libraries and Header Files

https://redd.it/11mp45n
@r_bash