5 июн. 2013 г. · I'm writing a shell script, and I'm trying to check if the output of a command contains a certain string. I'm thinking I probably have to use grep, but I'm not ... bash - Test if a command outputs an empty string - Stack Overflow Bash: Check output of command - linux - Stack Overflow How to check if the output of a command contains a string and ... Другие результаты с сайта stackoverflow.com

16 авг. 2018 г. · The resulting output is put on the command line, and then [[ .. ]] , tests to see if the output is empty. (That is, regular output. Command ... Writing a script to check if the output of a command is "3" bash - How to do an if statement from the result of an executed ... Check if the particular string is present in a output of shell script ... Test command in unix doesn't print an output Другие результаты с сайта unix.stackexchange.com

Check if there is shell command output. Consider the following scenario: Problem The execution of a shell command (Radon in this example) does not retrieve an ...

7 июл. 2018 г. · I want to monitor the output of a command and whenever it contains a certain string I want to run another command. Display output of command executed in bash as it is executing bash - Comparing the output of 2 commands using test without ... Другие результаты с сайта askubuntu.com

To get get result of command you need to use command substitution (bash feature). Command substitution provides executing a bash command/commands and store ...

25 янв. 2023 г. · How can I check for a string from a command output? For example, if I execute: MP4Box -info $INPUT_FILE. And if the file is incomplete, ...

26 нояб. 2023 г. · In this article, we will see how to check if output contains String in Bash using grep, Conditional Expressions, awk, sed commands with various options.

26 мар. 2018 г. · If you have sufficient foresight to capture the output in a file, you can use normal text processing tools like “grep” and “awk”, ...

17 окт. 2022 г. · Don't use echo -e ; some versions will print "-e" as part of the output. It is simply not possible to count on the output from echo if you pass ...

24 авг. 2023 г. · Save the output as a string variable into str with echo use the if statement to check if it is not null if its not it will run the two commands after that's it.