August 1999
Intermediate to advanced
1000 pages
83h 9m
English
Content preview from Solaris™ 7 Reference
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trap, onintr — Shell Built-in Functions to Respond to Hardware Signals
Synopsis
sh
trap [argument n [n2...]]
csh
onintr [-| label] ksh
* trap [arg sig [sig2...]]
Description
Use the built-in shell trap and onintr commands in shell scripts to specify a sequence of commands to be executed when your shell script receives an interrupt signal.
Bourne Shell
The trap command argument is read and executed when the shell receives numeric or symbolic signal(s) (n ).
Note
argument is scanned once when the trap is set and once when the trap is taken.
Trap commands are executed in order of signal number or corresponding symbolic names. Any attempt to set a trap on a signal that was ignored on entry to the current shell is ineffective. An attempt ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.