All Questions
42 questions
0
votes
3
answers
213
views
Convert json data to comma separated string
I have a json object that has an unknown number of variables, like this:
{
"var1": 123,
"var2": 456,
"var3": 789
}
How can I automatically convert it to form ...
- 293
0
votes
1
answer
537
views
bash: string variable contains asterisk. how to use this variable for searching etc with grep, sed?
Have a nice day
I have got text file (zz.txt):
Chemical name
3-Aminopropane-1-sulphonic acid
Synonym(s)
--
Homotaurine * Tramiprosate
--
Chemical name
Common name and synonyms
...
I have variable
s=&...
- 3
0
votes
2
answers
569
views
Use SED to replace part of a current variable with user input variable
I'm trying to replace only part of the existing variable with a new user input variable as below:
#Current Variable:
gdbName=Test.MY.DOMAIN.COM <--I need to replace the "Test" (This can ...
- 123
-4
votes
2
answers
427
views
Is it possible for any shell to interpret a string with decimal point as a number (int, float)?
This idea came to me with recent updates to Visual Studio Code, in which I usually shellcheck my code automatically as well. This is what I see, so you can get the idea:
This question is very simple ...
- 30.2k
0
votes
1
answer
953
views
Why echo is printing string variables before additional text that have been merged with it?
I have code in bash for making latex file and in this fragment I want to make a table in a loop:
while IFS= read -r line; do
if [[ "$line" == *"comment"* ]]; then
...
0
votes
1
answer
42
views
find cannot do on having space within string variable for -path or -iregex or etc
Cannot have space within string variable for -path or -iregex find's option.
This input '/home/demo.*/\.config/File System/.*t$'
is fed on:
read i
m="-iregex $i"
find ~ $m
won't work as it ...
user439016
1
vote
1
answer
78
views
Using a variable within a string
I'm stuck on a problem. I am a biologist who uses linux for automation so I don't have the best programming background and would appreciate your help.
I have a large text file, containing several ...
- 21
2
votes
2
answers
1k
views
Search for a String in a file and save the string after it to a variable
Example:
Lets say this is in a file:
AB: Test CD: Testing EF: Rest
I want a script to search for CD and save "Testing" into a variable.
I've tried something with awk but somehow I'm not making any ...
- 21
0
votes
1
answer
2k
views
How to pass a multiword string as argument in Linux [duplicate]
I am trying to pass a multiword argument in a function an echo the result in a simple fashion.
Currently I am doing this:
function myFunction {
multiWordString=""
for ((i=3; i<=$#; i++...
- 533
3
votes
1
answer
4k
views
Bash: How can i remove characters from a string until i hit a specific character
Basically, I'm trying to make a program that at one point needs to store coordinates. There is one part of the program where I need to separate one string into two so I an able to preform math on the ...
1
vote
2
answers
323
views
Bash Split Variable into 3 Variables based off Delimiters?
Trying to split a string var with the following pattern:
TestString="Artical Title Here (ClassYear) [Author]"
I was able to get the title into a Var using cut as such:
ATH="$(cut -d'(' -f1 <&...
- 35
-1
votes
2
answers
991
views
Bash String Manipulation and Assignment
How can I manipulate a string and then assign it to a variable?
This string manipulation works as I want:
echo ${dir:2:5} | sed 's/[.]$//';
but:
var x = ${dir:2:5} | sed 's/[.]$//';
and
x = ${dir:...
- 168
4
votes
1
answer
2k
views
Does one string contain another in fish shell?
I am working on my fish.config for using the fish shell.
I am trying to compare strings using bash syntax but fish doesn't accept the syntax. There is clearly another way to do it. Any suggestions ...
- 143
13
votes
2
answers
2k
views
What's the purpose of adding a prefix on both sides of a shell variable comparison to a string literal?
I have encountered comparisions of variables to string literals multiple times over the years which had one character prefixing the variable and the literal, e.g.
if [ "x$A" = "xtrue" ]; then
in ...
- 2,232
2
votes
2
answers
7k
views
How to filter a string against the characters from a variable?
I am trying to remove special characters (by passing them as a variable) from a string variable below command able to remove single characters not multiple?
string=#@$AAA%*
a=#$@%* #...
- 43