Shell Text Processing

1. Document Collation
Work number and name are recorded in the employee file
Employee.txt:
Jason Smith
John Doe
Sanjay Gupta
Ashok Sharma
Record work number and salary in bonus file
Bonus.txt:
100 $5,000
200
300 $3,000
400 $1,250
Requires merging two files and outputting the following
Processing results:
Ashok Sharma $1,250
Jason Smith $5,000
John Doe
Sanjay Gupta $3,000

# awk ' Argind==1{test[$1]=$0}argind==2{print test[$1],$2} 'Jason Smith $5,000200 John Doe $500300 Sanjay gupt A $3,000400 Ashok Sharma  $1,250, Jason Smith, John Doe, Sanjay Gupta400

(2) View the size of the swap partition

# free-m       Total used       free     shared    buffers     cachedmem:          1001        861        425-/+ buffers/cache:        338        663Swap:          509          0        509

(3) How long the root user landed today

Last Check all login information,

Lastlog View recent landing,

W or who view currently logged in user

(4) Print the port and process ID of the current sshd

# NETSTAT-ANP | grep sshd

(5) Print root can use the number of executable files

# echo "Root" s bins: $ (find./-type F | Xargs Ls-l | Sed '/-.. X/p ' | wc-l) "53

(6) Output the time it takes to create 20,000 directories natively

 for  Do mkdir neil$i donereal    0m2.086suser    0m0.180ssys 0m0.300s[[email    protected]:d IRS] Timereal    0m0.000suser    0m0.000ssys    0m0.000s

Shell Text Processing