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add sed

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onceupon 2017-09-28 18:10:55 +08:00 committed by GitHub
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@ -295,6 +295,11 @@ for i in T000086_1.02.n T000086_1.02.p;do sed "s/$/\t${i/*./}/" $i;done >T000086
sed ':a;N;$!ba;s/\n//g' sed ':a;N;$!ba;s/\n//g'
``` ```
##### Print a particular line (e.g. 123th line)
```bash
sed -n -e '123p'
```
##### Print a number of lines (e.g. line 10th to line 33 rd) ##### Print a number of lines (e.g. line 10th to line 33 rd)
```bash ```bash
@ -1498,46 +1503,50 @@ q -d "," "select c3,c4,c5 from /path/to/file.txt where c3='foo' and c5='boo'"
``` ```
##### Sreen and tmux ##### Sreen and tmux
create session and attach create session and attach:
```bash ```bash
screen screen
or or
tmux tmux
``` ```
create detached session foo create detached session foo:
```bash ```bash
screen -S foo -d -m screen -S foo -d -m
or or
tmux new -s foo -d tmux new -s foo -d
``` ```
list sessions list sessions:
```bash ```bash
screen -ls screen -ls
or or
tmux ls tmux ls
``` ```
attach attach:
```bash ```bash
screen -r screen -r
or or
tmux attach tmux attach
``` ```
attach to session foo attach to session foo:
```bash ```bash
screen -r foo screen -r foo
or or
tmux attach -t foo tmux attach -t foo
``` ```
kill session foo kill session foo:
```bash ```bash
screen -r foo -X quit screen -r foo -X quit
or or
tmux kill-session -t foo tmux kill-session -t foo
``` ```
scroll:
Hit your screen prefix combination (C-a / control+A), then hit Escape.
Move up/down with the arrow keys (↑ and ↓).
## System ## System
[[back to top](#handy-bash-oneliner-commands-for-tsv-file-editing)] [[back to top](#handy-bash-oneliner-commands-for-tsv-file-editing)]