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How do I translate 1-26 to a-z in BASH?
Get the source directory of a Bash script from within the script itselfHow to check if a string contains a substring in BashHow to check if a program exists from a Bash script?How do I tell if a regular file does not exist in Bash?How do I split a string on a delimiter in Bash?Extract filename and extension in BashHow to concatenate string variables in BashReliable way for a Bash script to get the full path to itselfEcho newline in Bash prints literal nBash script and /bin/bash^M: bad interpreter: No such file or directory
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
This is a part of a comp sci homework question.
I want to translate [1-26] to [A-Z] using a bash script.
#/bin/bash
if [ $1 = -u ] && [ $2 = -s ];then
#statements
echo $3 | tr '[1-26]' '[A-Z]'
fi
don't worry too much about about the if statement, thats part of the question I am working on.
When I run ./file.sh -u -s 2
The output is
B
But when I run ./file -u -s 16
The output is
A6
I want it to output
P
bash
asked Mar 28 at 6:16
Juan PabloJuan Pablo
437 bronze badges
|
show 4 more comments
This is a part of a comp sci homework question.
I want to translate [1-26] to [A-Z] using a bash script.
#/bin/bash
if [ $1 = -u ] && [ $2 = -s ];then
#statements
echo $3 | tr '[1-26]' '[A-Z]'
fi
don't worry too much about about the if statement, thats part of the question I am working on.
When I run ./file.sh -u -s 2
The output is
B
But when I run ./file -u -s 16
The output is
A6
I want it to output
P
bash
asked Mar 28 at 6:16
Juan PabloJuan Pablo
437 bronze badges
What will be the output of./file.sh -u -s 216?
– oguz ismail
Mar 28 at 6:20
well it was unexpected but it gives me BAC
– Juan Pablo
Mar 28 at 6:21
What is the expected output of it?
– oguz ismail
Mar 28 at 6:26
undefined? 216 is greater than 26 so nothing I guess
– Juan Pablo
Mar 28 at 6:34
1
Not easily (if at all) withtr.
– choroba
Mar 28 at 7:02
|
show 4 more comments
This is a part of a comp sci homework question.
I want to translate [1-26] to [A-Z] using a bash script.
#/bin/bash
if [ $1 = -u ] && [ $2 = -s ];then
#statements
echo $3 | tr '[1-26]' '[A-Z]'
fi
don't worry too much about about the if statement, thats part of the question I am working on.
When I run ./file.sh -u -s 2
The output is
B
But when I run ./file -u -s 16
The output is
A6
I want it to output
P
bash
asked Mar 28 at 6:16
Juan PabloJuan Pablo
437 bronze badges
This is a part of a comp sci homework question.
I want to translate [1-26] to [A-Z] using a bash script.
#/bin/bash
if [ $1 = -u ] && [ $2 = -s ];then
#statements
echo $3 | tr '[1-26]' '[A-Z]'
fi
don't worry too much about about the if statement, thats part of the question I am working on.
When I run ./file.sh -u -s 2
The output is
B
But when I run ./file -u -s 16
The output is
A6
I want it to output
P
bash
bash
asked Mar 28 at 6:16
Juan PabloJuan Pablo
437 bronze badges
asked Mar 28 at 6:16
Juan PabloJuan Pablo
437 bronze badges
asked Mar 28 at 6:16
Juan PabloJuan Pablo
437 bronze badges
asked Mar 28 at 6:16
Juan PabloJuan Pablo
437 bronze badges
asked Mar 28 at 6:16
Juan PabloJuan Pablo
437 bronze badges
437 bronze badges
What will be the output of./file.sh -u -s 216?
– oguz ismail
Mar 28 at 6:20
well it was unexpected but it gives me BAC
– Juan Pablo
Mar 28 at 6:21
What is the expected output of it?
– oguz ismail
Mar 28 at 6:26
undefined? 216 is greater than 26 so nothing I guess
– Juan Pablo
Mar 28 at 6:34
1
Not easily (if at all) withtr.
– choroba
Mar 28 at 7:02
|
show 4 more comments
What will be the output of./file.sh -u -s 216?
– oguz ismail
Mar 28 at 6:20
well it was unexpected but it gives me BAC
– Juan Pablo
Mar 28 at 6:21
What is the expected output of it?
– oguz ismail
Mar 28 at 6:26
undefined? 216 is greater than 26 so nothing I guess
– Juan Pablo
Mar 28 at 6:34
1
Not easily (if at all) withtr.
– choroba
Mar 28 at 7:02
What will be the output of
./file.sh -u -s 216?– oguz ismail
Mar 28 at 6:20
What will be the output of
./file.sh -u -s 216?– oguz ismail
Mar 28 at 6:20
well it was unexpected but it gives me BAC
– Juan Pablo
Mar 28 at 6:21
well it was unexpected but it gives me BAC
– Juan Pablo
Mar 28 at 6:21
What is the expected output of it?
– oguz ismail
Mar 28 at 6:26
What is the expected output of it?
– oguz ismail
Mar 28 at 6:26
undefined? 216 is greater than 26 so nothing I guess
– Juan Pablo
Mar 28 at 6:34
undefined? 216 is greater than 26 so nothing I guess
– Juan Pablo
Mar 28 at 6:34
1
1
Not easily (if at all) with
tr.– choroba
Mar 28 at 7:02
Not easily (if at all) with
tr.– choroba
Mar 28 at 7:02
|
show 4 more comments
1 Answer
1
active
oldest
votes
You can use an array of characters and just specify an index:
chars=("", A..Z)
i=26
echo $chars[i] # Z
answered Mar 28 at 6:26
chorobachoroba
168k17 gold badges148 silver badges219 bronze badges
add a comment |
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1 Answer
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1 Answer
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votes
You can use an array of characters and just specify an index:
chars=("", A..Z)
i=26
echo $chars[i] # Z
answered Mar 28 at 6:26
chorobachoroba
168k17 gold badges148 silver badges219 bronze badges
add a comment |
You can use an array of characters and just specify an index:
chars=("", A..Z)
i=26
echo $chars[i] # Z
answered Mar 28 at 6:26
chorobachoroba
168k17 gold badges148 silver badges219 bronze badges
add a comment |
You can use an array of characters and just specify an index:
chars=("", A..Z)
i=26
echo $chars[i] # Z
answered Mar 28 at 6:26
chorobachoroba
168k17 gold badges148 silver badges219 bronze badges
You can use an array of characters and just specify an index:
chars=("", A..Z)
i=26
echo $chars[i] # Z
answered Mar 28 at 6:26
chorobachoroba
168k17 gold badges148 silver badges219 bronze badges
answered Mar 28 at 6:26
chorobachoroba
168k17 gold badges148 silver badges219 bronze badges
answered Mar 28 at 6:26
chorobachoroba
168k17 gold badges148 silver badges219 bronze badges
answered Mar 28 at 6:26
chorobachoroba
168k17 gold badges148 silver badges219 bronze badges
168k17 gold badges148 silver badges219 bronze badges
add a comment |
add a comment |
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What will be the output of
./file.sh -u -s 216?– oguz ismail
Mar 28 at 6:20
well it was unexpected but it gives me BAC
– Juan Pablo
Mar 28 at 6:21
What is the expected output of it?
– oguz ismail
Mar 28 at 6:26
undefined? 216 is greater than 26 so nothing I guess
– Juan Pablo
Mar 28 at 6:34
1
Not easily (if at all) with
tr.– choroba
Mar 28 at 7:02