Questions tagged [echo]
Simple function outputting text. Exists in script languages.
echo
5,756
questions
1
vote
0
answers
21
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Laravel Echo is undefined
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1....
- 11
-2
votes
0
answers
20
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echo $PATH has strange output [closed]
I ran in terminal:
echo $PATH
the output is this:
/usr/local/bin:/System/Cryptexes/App/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin:/var/run/com.apple.security.cryptexd/codex.system/bootstrap/usr/local/bin:/...
- 1
-1
votes
2
answers
77
views
BASH: Assign values to variables with echo | sed | read [duplicate]
I'm trying to pass a string through a pipe going from echo to sed to read, but something isn't working:
#!/bin/bash
STR="alef|bet|gimel|daled"
echo $STR
echo $STR | sed 's/\|/ /g' | read ...
- 126
-1
votes
3
answers
44
views
Clarification on how PHP handles true and false values
I would like to use a true/false result to do alternative things in PHP. I was surprised by the following:
$falsevar = false;
$truevar = true;
echo "falsevar which I just set to false is".$...
- 1,868
0
votes
0
answers
159
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Laravel 11 Reverb: WebSocket Connection failed
WebSocket connection to wss://subdomain.domain.com/app/... failed
Its working on locally without any issue but in production it gives issue
here is my .env for production
REVERB_APP_ID=401132
...
0
votes
1
answer
35
views
Building arrays in command line and calling them in a for loop as a single command
I am trying to build two arrays (arr1 and arr2 which will have the same length) in the command line to be referenced in a for loop.
Building the command like this from the script,
set arr1[0]="a&...
0
votes
1
answer
46
views
Bash Command Substitution in echo/printf doesn't print result on the same line? [duplicate]
Reproducible example
Consider this example:
#!/usr/bin/env bash
echo "[Status] $(killall --wait example)"
Expected output:
[Status] example: no process found
Actual result (being wrong ...
- 430
0
votes
1
answer
37
views
How do I keep the mysql client from echoing commands?
The mysql client on my Macbook echos command lines. Even when I turn echoing of command lines off in the shell, when I start up the mysql client it immediately begins echoing them. Then when I exit ...
- 35
2
votes
2
answers
61
views
How to cat text string and file in bash in way to preserve literal \newpage in output?
I have multiple markdown files that I am trying to concatenate into one markdown file in bash. I can concatenate markdown files and preserve “\newpage” lines, but when trying to add a group title via ...
- 23
1
vote
0
answers
29
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Echo not printing CDATA tags in Wordpress
I am creating a RSS feed in WordPress. In my functions.php, I have
$content = htmlentities(strip_tags(get_the_content()), ENT_XML1, 'UTF-8');
echo '<description><![CDATA[' . $content . ']]>...
- 226
1
vote
2
answers
117
views
Does the echo command in Bash shell ever write anything to stderr without an explicit redirect of the output? [closed]
Plenty of other commands/binaries would (for example wc --wrong-flag) but is echo one of them?
Context: I am maintaining somebody else's Bash script, looking at the following section of it (slightly ...
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2
votes
1
answer
587
views
How to Live Reload golang REST project like nodemon in nodejs?
I want to run golang REST api project in echo labstack.
for development purpose i want that when i save file it automatically refesh the api's in VS code like nodemon does in nodejs.
i am trying to go ...
- 146
0
votes
0
answers
60
views
How to reduce noise in recordings with a known audio file
I have a microphone and speaker connect to a RPI inside an art sculpture, my objective is to record new audio clips of people talking into the mic while playing back 3 random recorded audio clips. It ...
0
votes
0
answers
25
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Trying to echo line variable along with another variable inside a while read loop
Am trying to echo a line variable along with another variable like below
while read -r line;do
id1=$(echo "$line"|grep...)
id2=`grep "$id1"...."
echo "$line" , "...
0
votes
1
answer
67
views
How to preserve newline characters in CSH when storing in a variable or echo
I have a python script which is getting called from a csh script ( I can not use bash). The python script prints out string with the newline characters and I am storing the output in a csh variable. ...
- 633