[英]Concatenate results of commands in Bash
我一直在寻找一个单一的单行来生成包含所有数据的行:
这四个 [separate] 命令产生我需要的信息,但我不知道如何将它们连接成一行:
$ cat /proc/cpuinfo | grep "model name" | sed -n -e 's/^.*: //p'
ARMv6-compatible processor rev 7 (v6l)
$ lscpu | grep "CPU(s):" | awk '{print $2}'
1
$ lscpu | grep "CPU min MHz:" | awk '{print $4}'
700.0000
$ lscpu | grep "CPU max MHz:" | awk '{print $4}'
1000.0000
我想得到:
ARMv6-compatible processor rev 7 (v6l) x1 @700 MHz (max @1000 MHz)
只是使用回声
echo $(cat /proc/cpuinfo | grep "model name" | sed -n -e 's/^.*: //p') \
x$(lscpu | grep "CPU(s):" | awk '{print $2}') \
@$(lscpu | grep "CPU min MHz:" | awk '{print $4}') \
'( max' $(lscpu | grep "CPU max MHz:" | awk '{print $4}') ')'
顺便说一下,您可以只使用grep "model name" /proc/cpuinfo
而不是cat /proc/cpuinfo | grep "model name"
cat /proc/cpuinfo | grep "model name"
单程。
paste -d ' ' <(awk '/^model name/{sub(/.+: /,"");print;exit}' /proc/cpuinfo) <(lscpu | awk '/CPU min MHz:/{printf " (max @%d MHz) ", $4} /CPU max MHz:/{printf "@%d MHz", $4} /^CPU\(s\):/{printf "x%s ", $2}')
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