A difference in curl behavior between RHEL7 and RHEL8

https://access.redhat.com/solutions/4174711

 SOLUTION 已验证 - 已更新 星期一 在 8:00 PM - 

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环境

• Red Hat Enterprise Linux 8
  • curl-7.61.1
• Red Hat Enterprise Linux 7
  • curl-7.29.0

问题

• There is a difference in curl behavior between RHEL7 and RHEL8.

• curl in RHEL7 can not get 0-byte size file from FTP server.

  Raw

  $ curl -sN -u testuser:passw0rd -O "ftp://ftp-server//zero_byte_file.txt"
  $ echo $?
  0
  $ ls zero_byte_file.txt
  

决议

It was changed to create files regardless of data size from curl-7.40.0.

• https://curl.haxx.se/changes.html#7_40_0
• https://github.com/curl/curl/commit/6ea4ee94f96cda494c493fadd9d445d2fd202834