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Full Discussion: += operator
Top Forums UNIX for Dummies Questions & Answers += operator Post 302451138 by Corona688 on Sunday 5th of September 2010 11:04:44 PM
Old 09-06-2010
BASH doesn't use BASIC's "let" syntax. Try:

Code:
((sum+=line))

Also, "for line in $(cat numbers.txt)" is a two-combo useless use of cat plus useless use of backticks. You can do this much more efficiently and safely as
Code:
while read line
do
        ...
done < numbers.txt

This User Gave Thanks to Corona688 For This Post:
 

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URL(4)							   BSD Kernel Interfaces Manual 						    URL(4)

NAME
url -- Realtek RTL8150L USB Ethernet driver SYNOPSIS
url* at uhub? urlphy* at mii? DESCRIPTION
The url driver provides support for USB Ethernet adapters based on the Realtek RTL8150L USB-ether bridge chip. The url driver supports the following adapters: CompUSA USBKR100 GreenHouse GH-USB100B Melco Inc. LUA-KTX Sitecom LN013 For more information on configuring this device, see ifconfig(8). DIAGNOSTICS
url%d: watchdog timeout A packet was queued for transmission and a transmit command was issued, however the device failed to acknowledge the transmission before a timeout expired. url%d: no memory for rx list The driver failed to allocate an mbuf for the receiver ring. SEE ALSO
arp(4), mii(4), netintro(4), usb(4), ifconfig(8) HISTORY
The url device driver first appeared in NetBSD 1.6. AUTHORS
The url driver was written by Shingo WATANABE <nabe@nabechan.org>. BSD
September 18, 2006 BSD
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