So, you have a long string and you want to check of this string contains a substring in your bash script. There are more than one way to check for substrings in bash shell. I'll show some simple examples first, followed by a cool bash script that uses this concept in a real-world ...
As in the previous method,$stringis the target string that you want to check for the presence of a substring, and$substringis the substring you're searching for. Theechocommand is used to pipe the target string to thegrepcommand, which performs a quiet search for the specified substring. N...
One of the most common operations when working with strings in Bash is to determine whether or not a string contains another string. In this article, we will show you several ways to check if a string contains a substring. Using Wildcards The easiest approach is to surround the substring ...
BEGIN{ if (match(my_string, my_substring)) print "Found it with awk" }'Found it with awkCopy Here, we passed both the string and the substring in themy_stringandmy_substringas variables, respectively. Later, inside theBEGINpatternwith thematchfunction, we check if the content of the var...
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NSFileHandle *file = [pipe fileHandleForReading]; [task launch]; NSData *data = [file readDataToEndOfFile]; NSString *result = [[NSString alloc] initWithData: data encoding: NSUTF8StringEncoding]; NSLog(result); NSString *string = result; NSString *substring = @"Caddy 2 serving stati...
Sorry for being inprecise. I want to find out if matlab was started with #!/bin/bash matlab -nosplash -sd $matlabWorkingPath See Matlab start options e.g. for Win or Linux. Depending on that, I want to go to the last working dir or not. So far...
{ # matches lines containing the argument and returns the substring # immediately following the argument until the first double quote sed -n -e 's/^.*'"$1"'\([^"]*\)".*/\1/p' } assert_contains() { if [[ ! $1 =~ $2 ]]; then print_err "\`$2\` $3" fi } assert_...
-f NHC_CHECK_FORKED=1 Run each check in a separate background process (EXPERIMENTAL) -h N/A Show command line help -l logspec LOGFILE=logspec File name/path or BASH-syntax directive for logging output (- for STDOUT) -n name NAME=name Set program name to name (default: nhc); see ...