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onceupon
2018-04-12 14:15:22 +08:00
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@@ -394,7 +394,7 @@ sed -r -e 's/^.{3}/&#/' file
## Awk
[[back to top](#handy-bash-oneliner-commands-for-tsv-file-editing)]
[[back to top](#handy-bash-oneliner-commands)]
##### Set tab as field separator
@@ -573,7 +573,7 @@ awk '{$6 = $4 - prev5; prev5 = $5; print;}'
## Xargs
[[back to top](#handy-bash-oneliner-commands-for-tsv-file-editing)]
[[back to top](#handy-bash-oneliner-commands)]
##### Set tab as delimiter (default:space)
@@ -715,7 +715,7 @@ grep -rl '192.168.1.111' /etc | xargs sed -i 's/192.168.1.111/192.168.2.111/g'
## Find
[[back to top](#handy-bash-oneliner-commands-for-tsv-file-editing)]
[[back to top](#handy-bash-oneliner-commands)]
##### List all sub directory/file in the current directory
```bash
@@ -762,7 +762,7 @@ find . -name "*.mso" -size -74c -delete
## Loops
[[back to top](#handy-bash-oneliner-commands-for-tsv-file-editing)]
[[back to top](#handy-bash-oneliner-commands)]
##### While loop, column subtraction of a file (e.g. a 3 columns file)
```bash
@@ -824,7 +824,7 @@ for line in $(cat myfile); do echo $line; read -n1; done
```
## Variable
[[back to top](#handy-bash-oneliner-commands-for-tsv-file-editing)]
[[back to top](#handy-bash-oneliner-commands)]
##### variable substitution within quotes
```bash
# foo=bar
@@ -972,7 +972,7 @@ wget -P /path/to/directory "http://example.com"
## Random
[[back to top](#handy-bash-oneliner-commands-for-tsv-file-editing)]
[[back to top](#handy-bash-oneliner-commands)]
##### Random pick 100 lines from a file
```bash
@@ -1010,7 +1010,7 @@ echo $(((RANDOM %10)+1))
```
## Xwindow
[[back to top](#handy-bash-oneliner-commands-for-tsv-file-editing)]
[[back to top](#handy-bash-oneliner-commands)]
X11 GUI applications! Here are some GUI tools for you if you get bored by the text-only environment.
@@ -1065,7 +1065,7 @@ xcowsay
## System
[[back to top](#handy-bash-oneliner-commands-for-tsv-file-editing)]
[[back to top](#handy-bash-oneliner-commands)]
##### Snapshot of the current processes
@@ -1672,7 +1672,7 @@ top|grep sublime_text
```
## Hardware
[[back to top](#handy-bash-oneliner-commands-for-tsv-file-editing)]
[[back to top](#handy-bash-oneliner-commands)]
##### Finding Out memory device detail
```bash
@@ -1745,7 +1745,7 @@ ipmitool sensors |grep -i Temp
```
## Others
[[back to top](#handy-bash-oneliner-commands-for-tsv-file-editing)]
[[back to top](#handy-bash-oneliner-commands)]
##### Remove newline / nextline
```bash