calculate count of char use in string

Question

I'm trying to make this program work and I can't, The script i want must should calculate count of char use in string example : string=good result=g1o2d1 is there any way to write script that calculate exactly count of string like my example or not ?

 #!/bin/bash
    string=ssstttrrrriiiinnnnngg
    z=$( for((i=0;i<${#string};i++)) do; echo ${string:i:1}; done | uniq -c )
    echo $z

my result :

s 3 t 3 r 4 i 4 n 5 g 2

but for analysis some document i want script to calculate char some like firstchar1=$( bash script ) ...... i need that value for use another script please advise me regards

Community · Accepted Answer · 2017-05-23 11:43:25Z

1

$ echo "abaaacdefg" | grep -o .
a
b
a
a
a
c
d
e
f
g

$ echo "abaaacdefg" | grep -o .| sort
a
a
a
a
b
c
d
e
f
g

$  echo "abaaacdefg" | grep -o .| sort |  uniq -c 
      4 a
      1 b
      1 c
      1 d
      1 e
      1 f
      1 g


$ echo "abaaacdefg" | grep -o .| sort |  uniq -c | awk '{printf $2$1}'
a4b1c1d1e1f1g1

See Bash: Split string into character array and counting duplicates in a sorted sequence using command line tools

edited May 23, 2017 at 11:43

CommunityBot

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answered Feb 26, 2015 at 18:17

user933161

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