v4if

```bash #!/bin/bash rand_str="A random string" echo "String length: ${#rand_str}" echo "${rand_str:2}" echo "${rand_str:2:7}" echo "${rand_str#*A }" ```

```bash #!/bin/bash while read avg rbis hrs; do printf "Avg: ${avg}\nRBIs: ${rbis}\nHRs: ${hrs}\n" done < barry_bonds.txt ``` ```bash #!/bin/bash for (( i=0; i

```bash #!/bin/bash fav_nums=(3.14 2.718 .57721 406692) echo "Pi : ${fav_nums[0]}" fav_nums[4]=1.618 echo "GR : ${fav_nums[4]}" fav_nums+=(1 7) for i in ${fav_nums[*]}; do echo $i done ```

> @SimonCqk - would it be possible for you to provide the head node's log? In particularly `gcs_server.out` and `gcs_server.err` if any. > > It would be nice to see...