# NAME

revtwoway - Reverse strings sample two-way processor extension

# SYNOPSIS

@load "revtwoway"

    BEGIN {
        cmd = "/magic/mirror"
        print "hello, world" |& cmd
        cmd |& getline result
        print result
        close(cmd)
    }

# DESCRIPTION

The revtwoway extension adds a simple two-way processor that reverses the characters in each line sent to it for reading back by the AWK program. It's main purpose is to show how to write a two-way extension, although it may also be mildly amusing.

# SEE ALSO

GAWK: Effective AWK Programming, filefuncs(3am), fnmatch(3am), fork(3am), inplace(3am), ordchr(3am), readdir(3am), readfile(3am), revoutput(3am), rwarray(3am), time(3am).

# AUTHOR

Arnold Robbins, arnold@skeeve.com.

# COPYING PERMISSIONS

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