Powershelliä UNIX-ylläpitäjille, osa 12

April 7, 2016 – Samuli Seppänen

Toisinaan tulee tarpeelliseksi etsiä yhdestä tai useammasta tiedostosta jotakin merkkijonoa ja tulostaa täsmäävä rivi sekä tiedosto, jossa se on, sekä rivinumero. GNU grepillä tämä onnistuu triviaalisti komennolla "grep -HN <pattern>":

$ grep -Hn REXML *.rb
 group_policy.rb:71: dFile = REXML::Document.new( File.new("#{dDir}\#{array[0][0]}.admx"))
 group_policy.rb:72: eFile = REXML::Document.new( File.new("#{eDir}\#{array[0][0]}.adml"))
 group_policy.rb:154: dFile = REXML::Document.new( File.new("#{dDir}\#{sys_tShort}.admx"))
 group_policy.rb:155: eFile = REXML::Document.new( File.new("#{eDir}\#{sys_tShort}.adml"))
 group_policy.rb:428: dFile = REXML::Document.new( File.new("#{dDir}\#{tShort}.admx"))
 group_policy.rb:429: eFile = REXML::Document.new( File.new("#{dDir}\#{adml}"))

Sama homma onnistuu myös Powershellissä, mutta hieman vaikeammin:

> Get-ChildItem . -include "*.rb" -Recurse|Select-String -Pattern "REXML"
 group_policy.rb:71: dFile = REXML::Document.new( File.new("#{dDir}\#{array[0][0]}.admx"))
 group_policy.rb:72: eFile = REXML::Document.new( File.new("#{eDir}\#{array[0][0]}.adml"))
 group_policy.rb:154: dFile = REXML::Document.new( File.new("#{dDir}\#{sys_tShort}.admx"))
 group_policy.rb:155: eFile = REXML::Document.new( File.new("#{eDir}\#{sys_tShort}.adml"))
 group_policy.rb:428: dFile = REXML::Document.new( File.new("#{dDir}\#{tShort}.admx"))
 group_policy.rb:429: eFile = REXML::Document.new( File.new("#{dDir}\#{adml}"))

Powershelliä UNIX-ylläpitäjille -artikkelisarjan muut osat:

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