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  1. #!/bin/bash
  2.  
  3. link_mode_expected=15000
  4.  
  5. awk -v lme="$link_mode_expected" '
  6.       s && /:/ { s=0 }
  7.       /Supported link modes:/ { s=1 }
  8. s { print "# s", $NF + 0, ($NF + 0 == lme ? "==" : "<>"), lme }
  9.       s && ($NF + 0 == lme) { sgood++ }
  10.       a && /:/ { a=0 }
  11.       /Advertised link modes:/ { a=1 }
  12. a { print "# a", $NF + 0, ($NF + 0 == lme ? "==" : "<>"), lme }
  13.       a && ($NF + 0 == lme) { agood++ }
  14.       END { exit 1-(agood && sgood) }' &&
  15. echo yes || echo no
Success #stdin #stdout 0.01s 5460KB
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stdin
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Settings for eth1:                                                                                                                                                                                                       
        Supported ports: [ Backplane ]                                                                                                                                                                                   
        Supported link modes:   1000baseKX/Full                                                                                                                                                                          
                                10000baseKR/Full                                                                                                                                                                         
                                15000baseKR/Full                                                                                                                                                                         
        Supported pause frame use: Symmetric                                                                                                                                                                             
        Supports auto-negotiation: Yes                                                                                                                                                                                   
        Supported FEC modes: None BaseR RS                                                                                                                                                                               
        Advertised link modes:  1000baseKX/Full                                                                                                                                                                          
                                10000baseKR/Full                                                                                                                                                                         
                                15000baseKR/Full
stdout
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# s 1000 <> 15000
# s 10000 <> 15000
# s 15000 == 15000
# a 1000 <> 15000
# a 10000 <> 15000
# a 15000 == 15000
yes
https://ideone.com/v5du8g
https://stackoverflow.com/questions/74177934/parsing-ethtool-command-output-using-sed-and-awk
language:
Bash (bash 5.0.3)
created:
1 year ago
visibility:
secret

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