Shell Programming and Scripting

#[localuser@localhost ~]$ cat wk7.sh
      1 #!/bin/bash
      2 
      3 #Read tabc.txt
      4 tabc="cat tabc.txt"
      5 
      6 #Make week 7 assignment directory
      7 wk7dir=~/"wk7dir"
      8 
      9 #Prevents duplicates and errors
     10 if [ ! -d $wk7dir ]; then
     11 mkdir $wk7dir
     12 fi
     13 
     14 #Assign appropriate variables from tabc.txt
     15 $tabc | sed -e 's/^\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\(.\{8\}\).*$/\3 \5 \6 \7 \8/' | while read fileuser filesize filedate filename; sed -e 's/^\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\(.\{8\}\).*$/\7/' tabc.txt | sed 's/://' | while read filetime; do
     16 
     17 #Change filesize
     18 dd if=/dev/zero of=$wk7dir/$filename bs=$filesize count=1
     19 
     20 #Create files based on date and filename
     21 touch -d $filedate $wk7dir/$filename
     22 
     23 #Changes file permissions to allow read, write, and execute to all users
     24 find ~/"wk7dir" -type f -exec chmod 755 {} \;;
     25 
     26 ls -lR --time-style="+%Y%m%d" "wk7dir" | sed -e 's/^\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\) *\([^ ]*\)/\6/' | while read filedatestamp
     27 
     28 #Modify file time
     29 touch -mt $filedatestamp$filetime $wk7dir/$filename
     30 
     31 done
~                                                                                                                                          ===
 
:(::SEE ERROR OUTPUT BELOW:::wall:
 
[localuser@localhost ~]$ ./wk7.sh
./wk7.sh: line 31: syntax error near unexpected token `done'
./wk7.sh: line 31: `done'