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How to print matched regex pattern using awk?
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Why did you add "tail -n1"? This should work fine without it, no?
– Arthur Accioly
Jul 13 '18 at 18:18
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How to profile a bash shell script slow startup?
...d last lines of logfile and/or by summarizing times in timing file:
head -n1 script.log ;tail -n1 script.log
Script started on Fri Mar 25 08:29:37 2016
Script done on Fri Mar 25 08:29:39 2016
sed < script.tim 's/ .*$//;H;${x;s/\n/+/g;s/^\+//;p};d' | bc -l
2.249755
In timing file, the second...
unix - head AND tail of file
...is useful for working with CSV data:
{ echo N; seq 3;} | { tee >(head -n1 | sed 's/$/*2/' >&3; cat >/dev/null) | tail -n+2 | awk '{print $1*2}'; } 3>&1
N*2
2
4
6
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impr...
How to find the last field using 'cut'
... ways. You may use this too.
echo "Your string here"| tr ' ' '\n' | tail -n1
> here
Obviously, the blank space input for tr command should be replaced with the delimiter you need.
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impr...
OS X: equivalent of Linux's wget
...ing like curl -O "$url1" -O "$url2" or printf %s\\n "$url1" "$url2"|xargs -n1 curl -O.
– nisetama
Apr 19 '16 at 0:47
I...
地图组件（高德地图） · App Inventor 2 中文网
...，增加后，只对地图特征进行控制，没有文字注记，特征多少，是否透明。1 ~ 7 可以自行试试效果。
如有问题，点此参与讨论。
中心坐标字串
设置地图的初始中心坐标（纬度,经度），以英文逗号分隔的十进制经纬度...
水果vs蔬菜智能分类器 - EdgeML图像识别项目 · App Inventor 2 中文网
...已加载
3. 界面设计
组件布局：
Screen1 (主屏幕)
├── HorizontalArrangement1 (顶部按钮区)
│ ├── Button_SelectImage (选择图片)
│ └── Button_Camera (拍照)
├── Image1 (图像显示区域)
├── Label_Status (状态显...
How to perform static code analysis in php? [closed]
...e the execution: find . -name '*.inc' -o -name '*.php' -print0 | xargs -0 -n1 -P10 php -l
– Joe
Apr 5 '12 at 22:07
12
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How to add parameters to a HTTP GET request in Android?
... answered Feb 5 '14 at 15:58
n1ckolasn1ckolas
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Clear a terminal screen for real
... answered Jan 29 '14 at 17:55
N1mr0dN1mr0d
38344 silver badges1010 bronze badges
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