Fixed random pdb

Author: bwhall61

README.md

@@ -18,7 +18,7 @@ the algorithms.
 
 To run: bash genRandomStructures.sh numStructures
 
-Defaults: numStructures: 50
+Defaults: numStructures: 24
 
 Note that if you run this script twice it will not add additional pdB files to the
 folder if there are already numStructures in the folder.

getRandomStructures.sh

@@ -2,15 +2,14 @@
 mkdir -p ./random_pdb_structures
 cd ./random_pdb_structures
 
-numStructures=24
-#numStructures=$1
+numStructures=${1:-24}
 
 while [ $(ls | wc -l) -lt $numStructures ]
 do
   ID=""
   # Generates a random ID to attempt to download from PDB
-  ID=$ID$(cat /dev/urandom | LC_CTYPE=C tr -dc '1-9'| fold -w ${1:-1} | head -n 1)
-  ID=$ID$(cat /dev/urandom | LC_CTYPE=C tr -dc 'A-Z0-9'| fold -w ${1:-3} | head -n 1)
+  ID=$ID$(cat /dev/urandom | LC_CTYPE=C tr -dc '1-9'| fold -w 1 | head -n 1)
+  ID=$ID$(cat /dev/urandom | LC_CTYPE=C tr -dc 'A-Z0-9'| fold -w 3 | head -n 1)
   echo $ID
   # Attempts to download the PDB structures for the corresponding ID. If the ID was
   # invalid continue.