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UNIX for Dummies Questions & Answers
Replace values in a specified column of a file
Post 302495665 by Ygor on Thursday 10th of February 2011 09:24:43 PM
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LEARN ABOUT HPUX
hp-pa
machid(1) General Commands Manual machid(1) NAME
machid: hp9000s200, hp9000s300, hp9000s400, hp9000s500, hp9000s700, hp9000s800, hp-mc680x0, hp-pa, pdp11, u370, u3b, u3b10, u3b2, u3b5, vax - provide truth value about processor type SYNOPSIS
DESCRIPTION
The following commands return a true value (exit code 0) if the a processor type matches the command name. Otherwise a false value (exit code nonzero) is returned. These commands are commonly used within makefiles and shell procedures to improve portability of applications (see make(1)). +-----------+-------------------------++--------+--------------------------+ |Command | True for ||Command | True for | +-----------+-------------------------++--------+--------------------------+ |hp9000s200 | Series 200 ||pdp11 | PDP-11/45 or PDP-11/70 | |hp9000s300 | Series 300 ||u3b | 3B20 computer | |hp9000s400 | Series 400 ||u3b2 | 3B2 computer | |hp9000s500 | Series 500 ||u3b5 | 3B5 computer | |hp9000s700 | Series 700 ||u3b10 | 3B10 computer | |hp9000s800 | Series 800 or 700 ||u370 | IBM System/370 computer | |hp-mc680x0 | Series 200, 300, or 400 ||vax | VAX-11/750 or VAX-11/780 | |hp-pa | Series 700 or 800 || | | +-----------+-------------------------++--------+--------------------------+ EXAMPLES
Given a shell script that must behave differently when run on an HP 9000 Series 700 or 800 system, select the correct code segment to be executed: WARNINGS
always returns true on both Series 800 and Series 700 systems. Therefore, when using this command in scripts to determine hardware type, always use both and in the appropriate sequence to ensure correct results (see machid(1) will no longer provide support for future machines beyond the Series 800 and Series 700 systems. Decisions should be based on the hardware and software configuration information returned by getconf(1). SEE ALSO
getconf(1), make(1), sh(1), test(1), true(1). machid(1)