length of string


 
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# 8  
Old 02-06-2008
Three ways to get a string length
Code:
jmcnama> var="string"         
jmcnama> echo ${#var}        <- works for ksh, not all shells 
6                                          
jmcnama> expr length $var    
6                                          
jmcnama> echo "$var\c" | wc -c
6

# 9  
Old 02-06-2008
In awk:
Code:
$ echo $var|awk '{print NF}' FS=''
6
$ echo $var|awk '{print length($0)}'
6

Regards
 
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