| Properties |
Description |
| $0 |
The current record (as a single variable) |
| $1~$n |
N-th field of the current record, separated by FS between fields |
| FS |
Enter the default field separator is a space |
| NF |
The number of fields in the current record is the number of columns |
| NO |
The number of records have been read out, is the line number, starting at 1 |
| RS |
He recorded input delimiter defaults to a newline |
| OFS |
The default output field separator is a space |
| ORS |
Output record separator, by default a newline |
| ARGC |
The number of command line arguments |
| ARGV |
Command line parameter array |
| FILENAME |
Enter the file name of the current |
| IGNORECASE |
If true, the case-insensitive match |
| ARGIND |
ARGV identifier is currently processing files |
| CONVFMT |
Digital conversion formats% .6g |
| ENVIRON |
UNIX Environment Variables |
| Errno |
UNIX system error message |
| FIELDWIDTHS |
Enter keywords separated by the width of the string field |
| FNR |
The current number of records |
| OFMT |
Digital output format% .6g |
| RSTART |
Was first matched string matching function |
| RLENGTH |
Is the length of the matched string matching function |
| SUBSEP |
\034 |
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