Special Files (The GNU Awk User’s Guide)
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5.8 Special File names in gawk
Besides access to standard input, standard output, and standard error, gawk provides access to any open file descriptor. Additionally, there are special file names reserved for TCP/IP networking.
| • Other Inherited Files | Accessing other open files with gawk.
| |
| • Special Network | Special files for network communications. | |
| • Special Caveats | Things to watch out for. |
