address@hidden ~]#
address@hidden ~]#
address@hidden ~]# cat 1
29.00
74.00
address@hidden ~]# cat 2
103.00
address@hidden ~]#
address@hidden ~]# awk 'NR==FNR{a+=$1;next}{b+=$1} END {if (a!=b) print a, b, "bug"}' 1 2
address@hidden ~]#
address@hidden ~]# awk --version
GNU Awk 4.1.3, API: 1.1
Copyright (C) 1989, 1991-2015 Free Software Foundation.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see http://www.gnu.org/licenses/.
address@hidden ~]#
# chapter 2
address@hidden ~]# cat 1
29.57
74.01
address@hidden ~]# cat 2
103.58
address@hidden ~]#
address@hidden ~]# awk 'NR==FNR{a+=$1;next}{b+=$1} END {if (a!=b) print a, b, "bug"}' 1 2
103.58 103.58 bug
address@hidden ~]# awk 'NR==FNR{a+=$1;next}{b+=$1} END {if (a!=b "") print a, b, "bug"}' 1 2
address@hidden ~]#
address@hidden ~]# awk --version
GNU Awk 4.1.3, API: 1.1
Copyright (C) 1989, 1991-2015 Free Software Foundation.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see http://www.gnu.org/licenses/.
address@hidden ~]#
--------------------------------------
Why is this?
STRING ? NUMERIC? STRNUM ?
+??????????????????????????????-
| STRING NUMERIC STRNUM
?????C+??????????????????????????????-
|
STRING | string string string
|
NUMERIC | string numeric numeric
|
STRNUM | string numeric numeric
?????C+??????????????????????????????-