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Linux shell programing validating date

filename=$prefix.$suffix echo $filename # It's great for creating "unique" temp filenames, # even better than using $$.

# Read the 'date' man page for more formatting options.

a replacement for the existing rm command that allows a rudimentary unremove capability through utilizing a newly created directory in the user's home directory.

It can handle directories of content as well as individual files, and if the user specifies the -f flag, files are NOT archived, but removed.

If we look at contemporary software, we might be surprised to learn that the majority of code in most programs today has very little to do with the real work for which the program was intended.

Define variables: txtund=$(tput sgr 0 1) # Underline txtbld=$(tput bold) # Bold txtred=$(tput setaf 1) # Red txtgrn=$(tput setaf 2) # Green txtylw=$(tput setaf 3) # Yellow txtblu=$(tput setaf 4) # Blue txtpur=$(tput setaf 5) # Purple txtcyn=$(tput setaf 6) # Cyan txtwht=$(tput setaf 7) # White txtrst=$(tput sgr0) # Text reset Use them as: echo "$This is bold text output from shell script$" echo "$This is coloured red except $this is blue$" $ will reset the terminal.

A usual scenario say we need My SQL down before progressing further in script, we will use following shell function.

Six Days Ago=$(date --date='6 days ago') One Month Ago=$(date --date='1 month ago') # Four weeks back (not a month).

One Year Ago=$(date --date='1 year ago') prompts for a set of commands to execute at that time.

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How to check if a command was successful in shell script. All you need to set is variable values for email-content ($content), email-subject ($subject) and email-list ($email_list).