This tag is misspelled. variable-substitution is correct. `t` is missing. This is the process of evaluating a string literal containing one or more placeholders, yielding a result in which the placeholders are replaced with their corresponding values.
Questions tagged [variable-substitution]
74 questions
0
votes
2 answers
Variable substitution within a string
I'm trying to come up with some very reusable code that will look up and perform variable substitutions within a string.
The example string below contains a $$ reference to a variable. Format is varname.key.
I want the subText() function to be…
Dan
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0 answers
Variable Subsitution When Using Django?
Currently, I use the following code to include another HTML file:
{% include "machines/opennebula/resources.html" %}
I am adding another folder to add another version of resources.html (specifically to support OpenStack when I want to swap to…
MRichards
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0
votes
1 answer
Javascript variable substitution
I have an array
daysoftheweek:['Monday', 'Tuesday','Wednesday', 'Thursday', 'Friday','Saturday', 'Sunday'],
Also I have functions
function totalMonday() {}
function totalTuesday() {}
Can I use variable substitution to call…
LeBlaireau
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0
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2 answers
Tcl SQLite update variable substitution cannot have apostrophe
Here's the problem: if I use { } for the update command like so:
package require sqlite3
fileRepo eval {UPDATE uploads SET $col=$data WHERE rowid=$id}
I cannot substitute any variables inside the curly brackets. it all has to be hard…
MetaStack
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0
votes
1 answer
Use string as bash variable name in alternative value expansion
How can I use the value of one variable as the name of another variable in an alternative value expansion (${var+alt}) in bash?
I would think that
#!/bin/bash
cat='dog'
varname='cat'
if [ -z ${`echo "${varname}"`+x} ]; then
echo 'is…
Chris Middleton
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0
votes
1 answer
Variable Substitution in KML Icon Reference
How can I do variable substitution in a kml icon reference? I'm using Google Earth to load the kml, and my image doesn't appear for this simple example:
…
Boundless
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0
votes
2 answers
Use return value of function call in PHP heredoc in Yii?
I'm trying to html encode a string that will be used as a tooltip in a google map.
$cs = Yii::app()->getClientScript();
$cs->registerScript('someID', <<
User
- 62,498
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votes
1 answer
Ruby each loop x to variable substitution
<% @parts.each do|x| %>
<% @bbb = Relation.where(part: "#{x}") %>
<%= **@"#{x}"** = @bbb.collect {|x| x.car} %>
<% end %>
I'm trying to set the variable in line 3 to the x part value @"#{x}". I can't find the right syntax. I know about send(x)…
San Backups
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-1
votes
2 answers
Linux bash; manipulate PATH type var
Linux debian bash.
I have a PATH type variable 'X' that I want to manipulate.
'X' can be any number of elements delimited by ":"
For example, using fruits:
set X=apple:pear:orange:cherry
How might I extract the first element minus its delimiter,…
keratos
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-1
votes
1 answer
##[error]Error: NO JSON file matched with specific pattern: **/appsettings.json
I'm trying to deploy an Azure App Service using Azure Devops.
I'm using the Task Azure App Service deploy version 4.*
I started noticing the following error in the log recently with the deployment failing (saw it first on 24th September)
Applying…
Alen Alex
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-1
votes
1 answer
How to substitute values in a key-value file if keys exists in shell environment?
I have a file like below with key value pair separated by =. I have already exported some variables to my shell. Now I want a shell script which can substitute the values for its corresponding keys if those keys are already exist in env variables or…
SkyRar
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-2
votes
2 answers
How to expand array in Bash adding double quotes to elements?
I would like to pass an array to a function and use the values in the array as a command parameter, something like this:
command can receive N parameters, example: param1 param2 oneparam 1 a 2 b 3 c onotherparam
my_func() {
command param1 param2…
user5507535
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-2
votes
3 answers
How to avoid variable substitution in Perl regex?
I have the following regex:
my ($pkg) = ( $xmldirname =~ /$db(.*)^/ );
What it should do is: check if the xmldirname starts ($) with "db" and take the rest of the string into $pkg.
What it does is: "Global symbol $db requires explicit package…
jackthehipster
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-4
votes
1 answer
Excel Summing Un-Formatted Numbers
I'm trying to find an average of a large array of candidates compensation. Some of the cells contain text with multiple numbers showing a range such as, "$100k - $120k". Others are labeled as TC("120k TC") for total composition.
How would I be able…
Iceyz
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