Ksh - Related information

• How does shell get the exit status of a child shell while redirecting the output to a file?

  scenario: the shell script completes the ETL work. The data extraction, transformation and loading operations correspond to three subscripts, all of which are atomic operations and need to be logged. idea: call multiple child scripts to control the wor...

  Ksh shell

  Aug.31,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b3f501-2c4af.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b3f501-2c4af.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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