is my crontab syntax invalid?

is my crontab syntax invalid?

simple question:

10 4 * * * rm -rf ~/code/rehlds/build/ && ~/code/rehlds/build.sh --compiler=gcc --jobs=4 > /dev/null 2>&1

I checked an there is no /build folder which indicates that the build.sh did not execute.

crontab -e

10 4 * * * rm -rf ~/code/rehlds/build/ && ~/code/rehlds/build.sh --compiler=gcc --jobs=4 > /dev/null 2>&1

pgrep cron 658 1232359

so here I can see it was run sudo grep CRON /var/log/syslog Dec 8 04:10:01 xxxx CRON[1190963]: (xxx) CMD (rm -rf ~/code/rehlds/build/ && ~/code/rehlds/build.sh --compiler=gcc --jobs=4 > /dev/null 2>&1)

my job ran, but no compiling, that cronlog file is empty.

CMD (./code/rehlds/build.sh --compiler=gcc --jobs=4 &> ./cronlog)

답변1

  1. if you work with 2 bash session, you must not only save the file with nano, but close it, only then is the crontab added.

  2. when executing the build.sh I must first cd into that directory otherwise error:

$ ./code/rehlds/build.sh --compiler=gcc --jobs=4 CMake Error: The source directory "/home/cs2" does not appear to contain CMakeLists.txt. Specify --help for usage, or press the help button on the CMake GUI. make: *** No targets specified and no makefile found. Stop.

I found that out by manually executing this command

correct command:

10 4 * * * cd ./code/rehlds && rm -rf ./build && ./build.sh --compiler=gcc --jobs=4 > /dev/null 2>&1

관련 정보