Awk commands may be classified as follows:
| Arithmetic Functions | String Functions | Control Flow Statements | Input/Output Processing | Miscellaneous | 
|---|---|---|---|---|
| atan2* | gsub* | break | close* | delete* | 
| cos | index | continue | getline* | function* | 
| exp | length | do/while* | next* | system* | 
| int | match* | exit | ||
| log | split | for | printf | |
| rand* | sub* | if | sprintf | |
| sin | substr | return* | ||
| sqrt | tolower ![[dagger]](../chars/dagger.gif) | while | ||
| srand* | toupper ![[dagger]](../chars/dagger.gif) | 
* Available in nawk
![[dagger]](../chars/dagger.gif) Available in gawk
 Available in gawk
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