gawk on VMS
To install gawk, all you need is a "foreign" command, which is
a DCL symbol whose value begins with a dollar sign. For example:
$ GAWK :== $disk1:[gnubin]GAWK
(Substitute the actual location of gawk.exe for
`$disk1:[gnubin]'.) The symbol should be placed in the
`login.com' of any user who wishes to run gawk,
so that it will be defined every time the user logs on.
Alternatively, the symbol may be placed in the system-wide
`sylogin.com' procedure, which will allow all users
to run gawk.
Optionally, the help entry can be loaded into a VMS help library:
$ LIBRARY/HELP SYS$HELP:HELPLIB [.VMS]GAWK.HLP
(You may want to substitute a site-specific help library rather than the standard VMS library `HELPLIB'.) After loading the help text,
$ HELP GAWK
will provide information about both the gawk implementation and the
awk programming language.
The logical name `AWK_LIBRARY' can designate a default location
for awk program files. For the `-f' option, if the specified
filename has no device or directory path information in it, gawk
will look in the current directory first, then in the directory specified
by the translation of `AWK_LIBRARY' if the file was not found.
If after searching in both directories, the file still is not found,
then gawk appends the suffix `.awk' to the filename and the
file search will be re-tried. If `AWK_LIBRARY' is not defined, that
portion of the file search will fail benignly.
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