exec

问题 My intent was to have all the output of my bash script displayed on the console and logged to a file. Here is my script that works as expected. #!/bin/bash LOG_FILE="test_log.log" touch $LOG_FILE # output to console and to logfile exec > >(tee $LOG_FILE) 2>&1 echo "Starting command ls" ls -al echo "End of script" However I do not understand why it works that way. I expected to have exec >>(tee $LOG_FILE) 2>&1 work but it fails although exec >>$LOG_FILE 2>&1 indeed works. I could not find the

问题 My intent was to have all the output of my bash script displayed on the console and logged to a file. Here is my script that works as expected. #!/bin/bash LOG_FILE="test_log.log" touch $LOG_FILE # output to console and to logfile exec > >(tee $LOG_FILE) 2>&1 echo "Starting command ls" ls -al echo "End of script" However I do not understand why it works that way. I expected to have exec >>(tee $LOG_FILE) 2>&1 work but it fails although exec >>$LOG_FILE 2>&1 indeed works. I could not find the

问题 My intent was to have all the output of my bash script displayed on the console and logged to a file. Here is my script that works as expected. #!/bin/bash LOG_FILE="test_log.log" touch $LOG_FILE # output to console and to logfile exec > >(tee $LOG_FILE) 2>&1 echo "Starting command ls" ls -al echo "End of script" However I do not understand why it works that way. I expected to have exec >>(tee $LOG_FILE) 2>&1 work but it fails although exec >>$LOG_FILE 2>&1 indeed works. I could not find the

问题 I am running a command through the os/exec package that is called like this: out, err := Exec("ffprobe -i '/media/Name of File.mp3' -show_entries format=duration -v quiet -of csv=p=0", true, true) The function I have written to execute command line calls is: func Exec(command string, showOutput bool, returnOutput bool) (string, error) { log.Println("Running command: " + command) lastQuote := rune(0) f := func(c rune) bool { switch { case c == lastQuote: lastQuote = rune(0) return false case

来源： https://stackoverflow.com/questions/49189406/kubectl-exec-command-to-write-contents-to-a-file-in-the-pod

来源： https://stackoverflow.com/questions/49189406/kubectl-exec-command-to-write-contents-to-a-file-in-the-pod

来源： https://stackoverflow.com/questions/64002703/using-exec-to-define-a-variable-raises-an-nameerror-when-referencing-it

来源： https://stackoverflow.com/questions/63988700/execute-maven-sql-plugin-failed-for-missing-or-invaild-parameters

问题 Trying to execute it with all possible params, such as -d and full path etc.. No errors. When running another commands, all is ok, when running composer from CMD, all is ok too. Have tried exec, system, shell_exec etc.. What it could be? echo system('php composer.phar install'); 回答1: Try outputting the error stream as well: system('php composer.phar install 2>&1'); It might give you more of a hint as to what is going wrong. 回答2: Try this $path = 'path where, composer.phar and composer.json

问题 Trying to execute it with all possible params, such as -d and full path etc.. No errors. When running another commands, all is ok, when running composer from CMD, all is ok too. Have tried exec, system, shell_exec etc.. What it could be? echo system('php composer.phar install'); 回答1: Try outputting the error stream as well: system('php composer.phar install 2>&1'); It might give you more of a hint as to what is going wrong. 回答2: Try this $path = 'path where, composer.phar and composer.json