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gogh: some more improvements

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* Add a condition for the theme OPTION to be greater than zero as well
  - This prevents the Usage of Negative Index, which prints the n-th element from behind
    Reference: https://unix.stackexchange.com/questions/198787/is-there-a-way-of-reading-the-last-element-of-an-array-with-bash

* Specify the user a way to EXIT by pressing the ENTER key without any options

* Reduce some lines in the code -> Using '\n'

Signed-off-by: a7r3 <arvindultimate7352@gmail.com>
This commit is contained in:
a7r3 2017-10-11 20:16:39 +05:30
parent b39441a1b0
commit 7787798865
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1 changed files with 5 additions and 8 deletions
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13
gogh.sh
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@ -179,17 +179,14 @@ NUM=1
# | ::::::: Print Colors
# |
echo -e "
Gogh
Gogh\n
\e[0;30m█████\\e[0m\e[0;31m█████\\e[0m\e[0;32m█████\\e[0m\e[0;33m█████\\e[0m\e[0;34m█████\\e[0m\e[0;35m█████\\e[0m\e[0;36m█████\\e[0m\e[0;37m█████\\e[0m
\e[0m\e[1;30m█████\\e[0m\e[1;31m█████\\e[0m\e[1;32m█████\\e[0m\e[1;33m█████\\e[0m\e[1;34m█████\\e[0m\e[1;35m█████\\e[0m\e[1;36m█████\\e[0m\e[1;37m█████\\e[0m"
# |
# | ::::::: Print Themes
# |
echo -e "
Themes:
(\\e[0m\e[0;34m 00 \\e[0m\e[0m) EXIT
"
echo -e "\nThemes:\n"
for TH in "${THEMES[@]}"; do
@ -206,8 +203,8 @@ done
# |
# | ::::::: Select Option
# |
echo -e "Usage : Enter Desired Themes Numbers (\\e[0m\e[0;34mOPTIONS\\e[0m\e[0m) Separated By A Blank Space"
echo -e "\nUsage : Enter Desired Themes Numbers (\\e[0m\e[0;34mOPTIONS\\e[0m\e[0m) Separated By A Blank Space"
echo -e " Press \e[0;34mENTER\\e[0m without options to Exit\n"
read -p 'Enter OPTION(S) : ' -a OPTION
@ -216,7 +213,7 @@ read -p 'Enter OPTION(S) : ' -a OPTION
# |
for OP in "${OPTION[@]}"; do
if [[ OP -le ARRAYLENGTH ]]; then
if [[ OP -le ARRAYLENGTH && OP -gt 0 ]]; then
FILENAME="${THEMES[((OP-1))]::-3}"
FILENAME_SPACE="${FILENAME//-/ }"
echo "Theme: ${FILENAME_SPACE^}"