Home Unix How can shell scripts be debugged in Unix? A user when programming in shell may face an error. The user can make use of the -v and -x option with sh or bash command to debug the shell script.The syntax format of using the option is: sh option {shell-script-name} or bash option {shell-script-name} The option in the above syntax can be either -v or -x. The -v option prints the shell input lines as they are read. The -x option on the other hand expands a simple command and along with it displays the value of the ps4 variable followed by the command. It also shows the complete list of expanded arguments.
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