Check if command is succesfull without using if statement












0















Here is a big problem I have. I want to write a command and execute print out the message if command is not successful. So is there a way to do following in single line:



gcc -c test.cpp
if [ $? -ne 0 ]
then
echo "this failed so badly"
fi


I know this line:



gcc test.c && [ $? -ne 0 ] && echo "Hell"


will not output anything because gcc will be successful and [ $? -ne 0 ] will fail thus echo will not be executed. So how do I exectue [ $? -ne 0 ] if gcc fails?



Thank you in advance.









share



























    0















    Here is a big problem I have. I want to write a command and execute print out the message if command is not successful. So is there a way to do following in single line:



    gcc -c test.cpp
    if [ $? -ne 0 ]
    then
    echo "this failed so badly"
    fi


    I know this line:



    gcc test.c && [ $? -ne 0 ] && echo "Hell"


    will not output anything because gcc will be successful and [ $? -ne 0 ] will fail thus echo will not be executed. So how do I exectue [ $? -ne 0 ] if gcc fails?



    Thank you in advance.









    share

























      0












      0








      0








      Here is a big problem I have. I want to write a command and execute print out the message if command is not successful. So is there a way to do following in single line:



      gcc -c test.cpp
      if [ $? -ne 0 ]
      then
      echo "this failed so badly"
      fi


      I know this line:



      gcc test.c && [ $? -ne 0 ] && echo "Hell"


      will not output anything because gcc will be successful and [ $? -ne 0 ] will fail thus echo will not be executed. So how do I exectue [ $? -ne 0 ] if gcc fails?



      Thank you in advance.









      share














      Here is a big problem I have. I want to write a command and execute print out the message if command is not successful. So is there a way to do following in single line:



      gcc -c test.cpp
      if [ $? -ne 0 ]
      then
      echo "this failed so badly"
      fi


      I know this line:



      gcc test.c && [ $? -ne 0 ] && echo "Hell"


      will not output anything because gcc will be successful and [ $? -ne 0 ] will fail thus echo will not be executed. So how do I exectue [ $? -ne 0 ] if gcc fails?



      Thank you in advance.







      linux bash shell





      share












      share










      share



      share










      asked 3 mins ago









      GoxGox

      1736




      1736






















          0






          active

          oldest

          votes











          Your Answer








          StackExchange.ready(function() {
          var channelOptions = {
          tags: "".split(" "),
          id: "106"
          };
          initTagRenderer("".split(" "), "".split(" "), channelOptions);

          StackExchange.using("externalEditor", function() {
          // Have to fire editor after snippets, if snippets enabled
          if (StackExchange.settings.snippets.snippetsEnabled) {
          StackExchange.using("snippets", function() {
          createEditor();
          });
          }
          else {
          createEditor();
          }
          });

          function createEditor() {
          StackExchange.prepareEditor({
          heartbeatType: 'answer',
          autoActivateHeartbeat: false,
          convertImagesToLinks: false,
          noModals: true,
          showLowRepImageUploadWarning: true,
          reputationToPostImages: null,
          bindNavPrevention: true,
          postfix: "",
          imageUploader: {
          brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
          contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
          allowUrls: true
          },
          onDemand: true,
          discardSelector: ".discard-answer"
          ,immediatelyShowMarkdownHelp:true
          });


          }
          });














          draft saved

          draft discarded


















          StackExchange.ready(
          function () {
          StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f497110%2fcheck-if-command-is-succesfull-without-using-if-statement%23new-answer', 'question_page');
          }
          );

          Post as a guest















          Required, but never shown

























          0






          active

          oldest

          votes








          0






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes
















          draft saved

          draft discarded




















































          Thanks for contributing an answer to Unix & Linux Stack Exchange!


          • Please be sure to answer the question. Provide details and share your research!

          But avoid



          • Asking for help, clarification, or responding to other answers.

          • Making statements based on opinion; back them up with references or personal experience.


          To learn more, see our tips on writing great answers.




          draft saved


          draft discarded














          StackExchange.ready(
          function () {
          StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2funix.stackexchange.com%2fquestions%2f497110%2fcheck-if-command-is-succesfull-without-using-if-statement%23new-answer', 'question_page');
          }
          );

          Post as a guest















          Required, but never shown





















































          Required, but never shown














          Required, but never shown












          Required, but never shown







          Required, but never shown

































          Required, but never shown














          Required, but never shown












          Required, but never shown







          Required, but never shown







          Popular posts from this blog

          濃尾地震

          How to rewrite equation of hyperbola in standard form

          No ethernet ip address in my vocore2