subject:"MEMORY=$\(shell free \|grep \"Mem\:\" \| awk '\{print $2\}'\)"

Re: [shlug] MEMORY=$(shell free |grep "Mem:" | awk '{print $2}')

2011-09-21 文章 YunQiang Su

谢谢ls两位 -- YunQiang Su

Re: MEMORY=$(shell free |grep "Mem:" | awk '{print $2}')

2011-09-21 文章 Lifeng Sun

Hi, On 13:50 Thu 09/22/11 Sep , YunQiang Su wrote: > 写了一个Makefile，如下 > > MEMORY=$(shell free | grep "Mem:" |awk '{print $2}') $2改成$$2 > BUILD_OPTION=$(shell if [ $(MEMORY) -lt 3090252 ]; then echo "-j1

MEMORY=$(shell free |grep "Mem:" | awk '{print $2}')

2011-09-21 文章 YunQiang Su

写了一个Makefile，如下 MEMORY=$(shell free | grep "Mem:" |awk '{print $2}') BUILD_OPTION=$(shell if [ $(MEMORY) -lt 3090252 ]; then echo "-j1"; fi) LS=$(shell ls) hello: echo $(MEMORY) show: echo $(LS) 可是奇怪的是第一句中， grep运行了，而 awk却没有。输出是 echo Mem: