Prefer to use File.foreach instead of IO.foreach

5 files changed, 8 insertions, 8 deletions

diff --git a/tool/enc-case-folding.rb b/tool/enc-case-folding.rb
index 76c6b5c48b..82fec7b625 100755
--- a/tool/enc-case-folding.rb
+++ b/tool/enc-case-folding.rb
@@ -61,7 +61,7 @@ class CaseFolding
     @version = nil
     turkic = []
 
-    IO.foreach(filename, mode: "rb") do |line|
+    File.foreach(filename, mode: "rb") do |line|
       @version ||= line[/-([0-9.]+).txt/, 1]
       next unless res = pattern.match(line)
       ch_from = res[1].to_i(16)
@@ -230,7 +230,7 @@ class CaseMapping
     @specials = []
     @specials_length = 0
     @version = nil
-    IO.foreach(File.join(mapping_directory, 'UnicodeData.txt'), mode: "rb") do |line|
+    File.foreach(File.join(mapping_directory, 'UnicodeData.txt'), mode: "rb") do |line|
       next if line =~ /^</
       code, _, _, _, _, _, _, _, _, _, _, _, upper, lower, title = line.chomp.split ';'
       unless upper and lower and title and (upper+lower+title)==''
@@ -239,7 +239,7 @@ class CaseMapping
     end
 
     @filename = File.join(mapping_directory, 'SpecialCasing.txt')
-    IO.foreach(@filename, mode: "rb") do |line|
+    File.foreach(@filename, mode: "rb") do |line|
       @version ||= line[/-([0-9.]+).txt/, 1]
       line.chomp!
       line, comment = line.split(/ *#/)
diff --git a/tool/enc-unicode.rb b/tool/enc-unicode.rb
index 6f2576cc37..65339ba2db 100755
--- a/tool/enc-unicode.rb
+++ b/tool/enc-unicode.rb
@@ -59,7 +59,7 @@ def parse_unicode_data(file)
   data = {'Any' => (0x0000..0x10ffff).to_a, 'Assigned' => [],
     'ASCII' => (0..0x007F).to_a, 'NEWLINE' => [0x0a], 'Cn' => []}
   beg_cp = nil
-  IO.foreach(file) do |line|
+  File.foreach(file) do |line|
     fields = line.split(';')
     cp = fields[0].to_i(16)
 
diff --git a/tool/extlibs.rb b/tool/extlibs.rb
index b482258a2c..887cac61eb 100755
--- a/tool/extlibs.rb
+++ b/tool/extlibs.rb
@@ -185,7 +185,7 @@ class ExtLibs
     extracted = false
     dest = File.dirname(list)
     url = chksums = nil
-    IO.foreach(list) do |line|
+    File.foreach(list) do |line|
       line.sub!(/\s*#.*/, '')
       if /^(\w+)\s*=\s*(.*)/ =~ line
         vars[$1] = vars.expand($2)
diff --git a/tool/lib/memory_status.rb b/tool/lib/memory_status.rb
index 5e9e80a68a..60632523a8 100644
--- a/tool/lib/memory_status.rb
+++ b/tool/lib/memory_status.rb
@@ -12,7 +12,7 @@ module Memory
     PROC_FILE = procfile
     VM_PAT = pat
     def self.read_status
-      IO.foreach(PROC_FILE, encoding: Encoding::ASCII_8BIT) do |l|
+      File.foreach(PROC_FILE, encoding: Encoding::ASCII_8BIT) do |l|
         yield($1.downcase.intern, $2.to_i * 1024) if VM_PAT =~ l
       end
     end
diff --git a/tool/mkconfig.rb b/tool/mkconfig.rb
index 7a447fb234..131b2a311a 100755
--- a/tool/mkconfig.rb
+++ b/tool/mkconfig.rb
@@ -205,7 +205,7 @@ print "  CONFIG = {}\n"
 print "  CONFIG[\"DESTDIR\"] = DESTDIR\n"
 
 versions = {}
-IO.foreach(File.join(srcdir, "version.h")) do |l|
+File.foreach(File.join(srcdir, "version.h")) do |l|
   m = /^\s*#\s*define\s+RUBY_(PATCHLEVEL)\s+(-?\d+)/.match(l)
   if m
     versions[m[1]] = m[2]
@@ -226,7 +226,7 @@ IO.foreach(File.join(srcdir, "version.h")) do |l|
   end
 end
 if versions.size != 4
-  IO.foreach(File.join(srcdir, "include/ruby/version.h")) do |l|
+  File.foreach(File.join(srcdir, "include/ruby/version.h")) do |l|
     m = /^\s*#\s*define\s+RUBY_API_VERSION_(\w+)\s+(-?\d+)/.match(l)
     if m
       versions[m[1]] ||= m[2]