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How to check if a file contains a specific string using Bash
I want to check if a file contains a specific string or not in bash. I used this script, but it doesn't work:
11 Answers
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What is the relative performance difference of if/else versus switch statement in Java?
Worrying about my web application's performances, I am wondering which of "if/else" or switch statement is better regarding performance?
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Does Python have a ternary conditional operator?
If Python does not have a ternary conditional operator, is it possible to simulate one using other language constructs?
26 ...
What purpose does a tag serve inside of a tag?
...nit() {
var dependencies = document.getElementById("inline-deps");
if (!dependencies || JS.hasClass(document.body, "deps--loaded")) {
webfontsReady();
} else {
var html = dependencies.innerText || dependencies.textContent;
JS.addClass(document.body, "deps--loaded");
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What exactly does an #if 0 … #endif block do?
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Not only does it not get executed, it doesn't even get compiled.
#if is a preprocessor command, which gets evaluated before the actual compilation step. The code inside that block doesn't appear in the compiled binary.
It's often used for temporarily removing segments of code with the inte...
How do I represent a hextile/hex grid in memory?
...plain why you need to when axial can just technically be cube all the time if you just ignore the s variable, why do both types exist at all.
– WDUK
Aug 20 at 23:54
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How to check if a file is empty in Bash?
I have a file called diff.txt. Want to check if it is empty. Did something like this but couldn't get it working.
10 Answe...
Set cursor position on contentEditable
...arentAnchor && parentAnchor != document.documentElement) {
if(parentAnchor == editable) {
isOrContainsAnchor = true;
}
parentAnchor = parentAnchor.parentNode;
}
while(parentFocus && parentFocus != document.documentElement) {
if(par...
Assign variable in if condition statement, good practice or not? [closed]
... but use a single = instead of == or ===. For example, when you see this:
if (value = someFunction()) {
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}
you don't know if that's what they meant to do, or if they intended to write this:
if (value == someFunction()) {
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}
If you really want to do the assignment in place, I woul...
How to get the Full file path from URI
...l file path, from a URI. The URI isn't a Image, but it's a music file, but if i do it like the MediaStore Solution, it won't work if the app user selects eg Astro as browser, instead of Music Player. How do I solve this?
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