December 4, 2008 08:53am pst

1. duncan_roe 104,420
2. Tintin 75,364
3. omarfarid 66,334
4. ravenpl 61,725
5. ozo 42,202
6. sunnycoder 24,238
7. evilrix 18,080
8. shakoush... 16,974
9. Nopius 15,350
10. jkr 15,100
11. Adam314 12,600
12. Infinity08 12,376
13. ghostdog74 11,015
14. ahoffmann 9,810
15. amit_g 9,332
16. zmo 8,900
17. hernst42 8,700
18. fridom 7,500
19. wilhelm_... 6,995
20. agriesser 6,986
21. PeturIngiE... 6,672
22. nognew 6,164
23. jools 5,964
24. Tomun 5,500
25. arnold 5,300

1. duncan_roe 316,351
2. sunnycoder 288,724
3. ozo 238,199
4. ravenpl 235,481
5. Tintin 191,514
6. ahoffmann 178,275
7. amit_g 124,957
8. omarfarid 75,702
9. jlevie 73,597
10. Nopius 71,070
11. fridom 63,565
12. brettmjohn... 63,339
13. slyong 57,785
14. manish_r... 56,260
15. khkremer 55,145
16. yuzh 52,673
17. bryanh 52,272
18. wesly_c... 49,519
19. Infinity08 42,326
20. jkr 38,900
21. NovaDeni... 38,345
22. garboua 37,573
23. noci 37,177
24. MikeOM_... 37,036
25. stefan73 34,952

07.13.2004 at 08:34AM PDT, ID: 21057113

	[x] Attachment Details

[x]

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7.4

bash: how to split a string, assign tokens to an array

Asked by brettmjohnson in Linux Programming

Tags: bash, split, string

I am having difficulty splitting a colon-delimited string and assigning the
tokens to an array in a bash shell script. I want to assign the passwd fields
returned by `id -P username` to an array.

Given that
`id -P cyrus`
returns
cyrus:*:77:6::0:0:Cyrus User:/var/imap:/usr/bin/false

I wish to assign the fields to an array, say pw, such that
pw[0] = cyrus
pw[1] = *
pw[2] = 77
...
pw[8] = Cyrus User
pw[9] = /var/imap
... etc

I already discovered that ' set -f ' avoids the '*' from getting filename-expanded.
I tried using awk to split the colon-delimited string, but the GECOS field can contain spaces,
resulting in its value getting further split during the array assignment:
...
pw[8] = Cyrus
pw[9] = User
....

I have a feeling that there is a simple solution, but I haven't found it yet.

Equally acceptable would be a 'read'- style assignment to multiple variables.
Something like
IFS=':'
read f_uname f_pass f_uid f_gid ...

But read takes intput from stdin.
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bash: how to split a string, assign tokens to an array

Asked by brettmjohnson in Linux Programming

Tags: bash, split, string

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