shell script: how to get the length of a strings

[mooi-kuan]

Hi Forumist,

var1="testing",

I need to know the length the the var1. How can this be achinved ? ie, will return 7

Thank you.

[Sandor Horvath_2]

Hi !

with awk:
echo $var1 | awk ' { print length($0) } '

regards, Saa

[Sandor Horvath_2 · Accepted solution]

Hi !

In posix shell:
${#var1}

regards, saa

[Sandor Horvath_2]

Hi !

In posix shell:
${#var1}

regards, saa

[Sandor Horvath_2]

Hi !

In posix shell:
${#var1}

regards, saa

[Sandor Horvath_2]

Hi !

In posix shell:
${#var1}

regards, saa

[Sandor Horvath_2]

Sorry for many answer, but I get back Java error....

Saa

[Steven Sim Kok Leong]

Hi,

Alternatively,

# echo $var | wc -c

Hope this helps. Regards.

Steven Sim Kok Leong
Brainbench MVP for Unix Admin
http://www.brainbench.com

[James R. Ferguson]

Hi:

You can use 'expr' as:

# V=testing
# expr length $V

...JRF...