Drezil/Bash-Oneliner
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README.md
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@ -120,7 +120,6 @@ $? :most recent foreground pipeline exit status.
$- :current options set for the shell.
$$ :pid of the current shell (not subshell).
$! :is the PID of the most recent background command.
$_ :last argument of the previously executed command, or the path of the bash script.
$DESKTOP_SESSION current display manager
$EDITOR preferred text editor.
@ -306,8 +305,8 @@ echo "var=5;--var"| bc
grep = grep -G # Basic Regular Expression (BRE)
fgrep = grep -F # fixed text, ignoring meta-characters
egrep = grep -E # Extended Regular Expression (ERE)
pgrep = grep -P # Perl Compatible Regular Expressions (PCRE)
rgrep = grep -r # recursive
grep -P # Perl Compatible Regular Expressions (PCRE)
```
##### Grep and count number of empty lines