Questions tagged [echo]
Simple function outputting text. Exists in script languages.
echo
5,757
questions
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3
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41
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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;
$truevar = true;
echo "falsevar which I just set to false is".$...
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0
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0
answers
119
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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
34
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
44
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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 ...
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votes
1
answer
36
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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
58
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 ...
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1
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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[' . $content . ']]>...
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2
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110
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Does the echo command in Bash shell ever write anything to stderr without an explicit redirect of the output? [closed]
Plenty of other commands/binaries would (for example wc --wrong-flag) but is echo one of them?
Context: I am maintaining somebody else's Bash script, looking at the following section of it (slightly ...
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votes
1
answer
555
views
How to Live Reload golang REST project like nodemon in nodejs?
I want to run golang REST api project in echo labstack.
for development purpose i want that when i save file it automatically refesh the api's in VS code like nodemon does in nodejs.
i am trying to go ...
- 136
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0
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59
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How to reduce noise in recordings with a known audio file
I have a microphone and speaker connect to a RPI inside an art sculpture, my objective is to record new audio clips of people talking into the mic while playing back 3 random recorded audio clips. It ...
0
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0
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25
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Trying to echo line variable along with another variable inside a while read loop
Am trying to echo a line variable along with another variable like below
while read -r line;do
id1=$(echo "$line"|grep...)
id2=`grep "$id1"...."
echo "$line" , "...
0
votes
1
answer
63
views
How to preserve newline characters in CSH when storing in a variable or echo
I have a python script which is getting called from a csh script ( I can not use bash). The python script prints out string with the newline characters and I am storing the output in a csh variable. ...
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1
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1
answer
89
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MSTeams echo bot using PowerShell Azure Functions
How should one parse the chat text received as JSON payload in the request body when using an outgoing webhook as an application in a Teams group to fetch the output of a PowerShell Azure function?
...
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3
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Echo -e on MacOS [closed]
I have a problem with printing signs \n. My script is make for bash and is set to posix=yes. When I ran program on Mac the printing to bash is done only by echo "text here". But when I ran ...
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0
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Difference between tcsh and bsd-csh in terms of use of square brackets in echo
I have two simple Shell scripts that essentially do the same thing (i.e., printing all arguments), as are shown below.
S1:
#!/usr/bin/tcsh
echo [$argv[*]]
S2:
#!/usr/bin/bsd-csh
echo [$argv[*]]
S1 ...
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