Swap deprecated `egrep` for `grep -E`

also remove some extra whitespace in MD doc

docs/wekan.wiki/Install-latest-Wekan-release-on-Uberspace.md

@@ -12,31 +12,31 @@
 
 **Purpose**: Install latest Wekan release on [Uberspace](https://uberspace.de/) 6 and run as [daemontools](https://cr.yp.to/daemontools/faq/create.html) service in local userspace.
 
-This script installs Wekan on a fresh Uberspace 6. It setup Node 4, MongoDB, a Port, installs Wekan and starts it as a service. It's tested with Wekan versions 0.32 and 0.63. 
+This script installs Wekan on a fresh Uberspace 6. It setup Node 4, MongoDB, a Port, installs Wekan and starts it as a service. It's tested with Wekan versions 0.32 and 0.63.
 
 You have two Options to use it.
 
 # Option 1:
-You can run the commands of the following script step-by-step in the shell. 
+You can run the commands of the following script step-by-step in the shell.
 
 At first step set the SMTP-Password variable. Replace the `$1` with the password in that way `SMTP_PASS="smtp_password"` and continue line-by-line.
 
 # Option 2:
 Or you can run it automatically.
 * Save it as script in file `install_wekan.sh`
-* Make it executable `chmod +x install_wekan.sh` 
-* And run it. Pass the SMTP-Password as command line parameter `./install_wekan.sh smtp_password`. 
+* Make it executable `chmod +x install_wekan.sh`
+* And run it. Pass the SMTP-Password as command line parameter `./install_wekan.sh smtp_password`.
 
 ## ./install_wekan.sh
 ```
 #!/bin/sh
-## 
+##
 ## Usage: ./install_wekan.sh SMTP-password
 ##
 ## Draft
 ## Install Wekan (v0.63) on Uberspace 6 by Noodle / Chris
-## 
-## Sources: 
+##
+## Sources:
 ## https://github.com/wekan/wekan/wiki/Install-and-Update#manual-installation-steps
 ## https://wiki.uberspace.de/database:mongodb
 ## https://wiki.uberspace.de/development:nodejs
@@ -71,8 +71,8 @@ test -d ~/service || uberspace-setup-svscan
 TEMPMDB="$(uberspace-setup-mongodb)"
 
 MONGO_USER="${USER}_mongoadmin"
-MONGO_PORT="$(echo ${TEMPMDB} | egrep -o 'm#:\s[0-9]{5}\sUs' | cut -d' ' -f 2)"
-MONGO_PASS="$(echo ${TEMPMDB} | egrep -o 'rd:\s.+\sTo\sconn' | cut -d' ' -f 2)"
+MONGO_PORT="$(echo ${TEMPMDB} | grep -E -o 'm#:\s[0-9]{5}\sUs' | cut -d' ' -f 2)"
+MONGO_PASS="$(echo ${TEMPMDB} | grep -E -o 'rd:\s.+\sTo\sconn' | cut -d' ' -f 2)"
 
 echo -e "MONGO_USER: ${MONGO_USER} \nMONGO_PORT: ${MONGO_PORT} \nMONGO_PASS: ${MONGO_PASS}"
 
@@ -81,7 +81,7 @@ echo -e "MONGO_USER: ${MONGO_USER} \nMONGO_PORT: ${MONGO_PORT} \nMONGO_PASS: ${M
 ### Setup Websocket Port ###
 ############################
 
-export FREE_PORT="$(uberspace-add-port --protocol tcp --firewall | egrep -o '[0-9]{5}')"
+export FREE_PORT="$(uberspace-add-port --protocol tcp --firewall | grep -E -o '[0-9]{5}')"
 
 echo "FREE_PORT: ${FREE_PORT}"
 
@@ -162,14 +162,14 @@ More about [daemontools](https://cr.yp.to/daemontools/faq/create.html).
 
 # Uninstall Wekan
 To remove Wekan from your uberspace you have to do the following steps.
-* Stop and remove the service. 
+* Stop and remove the service.
 `uberspace-remove-service -s wekan`
-* Remove the complete data. 
+* Remove the complete data.
 ```
 mongo admin --port $MONGO_PORT -u $MONGO_USER -p $MONGO_PASS
 use wekan
 db.dropDatabase()
 exit
 ```
-* Remove the installation. 
-`rm -Rf ~/wekan/ ~/etc/wekan-*`
+* Remove the installation.
+`rm -Rf ~/wekan/ ~/etc/wekan-*`

find-replace.sh

@@ -2,4 +2,4 @@
 # Recursive find/replace.
 # Syntax: ./find-replace.sh searchtext replacetext
 
-egrep -lRZ '$1' . | xargs -0 -l sed -i -e 's/$1/$2/g'
+grep -E -lRZ '$1' . | xargs -0 -l sed -i -e 's/$1/$2/g'