#!/usr/bin/tclsh
# BEGIN_ICS_COPYRIGHT8 ****************************************
#
# Copyright (c) 2015, Intel Corporation
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# modification, are permitted provided that the following conditions are met:
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# END_ICS_COPYRIGHT8 ****************************************
# [ICS VERSION STRING: unknown]
# This implements a variation of comm -12 file1 file2
# which is used by opafindgood
proc compare_files { fd1 fd2 } {
# compare input files fd1 and fd2
# each file is expected to have 2 fields separated by spaces
# files should be sorted case insensitively by first field
# first field is sorted canonical form of name
# second field is original input from user
# assumes there are no comment lines and no blank lines in input
# assumes there are no duplicate lines in input
# lines whose canonical forms match will have the fd1 second field output
set done 0
set line1 ""
set line2 ""
while { ! $done } {
if { [ string equal "$line1" "" ] } {
if { ! [ eof $fd1 ] } {
gets $fd1 line1
}
}
if { [ string equal "$line2" "" ] } {
if { ! [ eof $fd2 ] } {
gets $fd2 line2
}
}
# cut field 1 at ; and just compare field 1 in each
if { [ string equal "$line1" "" ] } {
set done 1
#if { [ string equal "$line2" "" ] } {
# set done 1
#} else {
# puts "$line2"
# set line2 ""
#}
} elseif { [ string equal "$line2" "" ] } {
set done 1
#puts "$line1"
#set line1 ""
} else {
set list1 [ concat $line1 ]
set list2 [ concat $line2 ]
# we have input from both files
set res [ string compare -nocase [ lindex $list1 0] [ lindex $list2 0] ]
if { $res <= -1 } {
# line1 is less, read fd1 again
#puts [ lindex $list1 1]
set line1 ""
} elseif { $res == 0 } {
# equal, output and read from both
puts [ lindex $list1 1]
set line1 ""
set line2 ""
} else {
# line1 is greater, read fd2 again
#puts [ lindex $list2 1]
set line2 ""
}
}
}
}
if { $argc != 2 } {
puts stderr "Usage: comm12 file1 file2"
exit 2
}
if { [ catch {
set fname1 [lindex $argv 0]
set fname2 [lindex $argv 1]
set fd1 [open $fname1 "r"]
set fd2 [open $fname2 "r"]
compare_files $fd1 $fd2
} res ] != 0 } {
puts stderr "comm12: Error: $res"
exit 1
}
exit 0