awk:awk_output
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| awk:awk_output [2020/05/04 23:29] – created peter | awk:awk_output [2022/06/13 09:47] (current) – peter | ||
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| ====== AWK - AWK Output ====== | ====== AWK - AWK Output ====== | ||
| + | |||
| + | Assuming a file, **test.txt** exists with the following contents: | ||
| + | |||
| + | < | ||
| + | 10 | ||
| + | 11 | ||
| + | 12 | ||
| + | 13 | ||
| + | 14 | ||
| + | 48 | ||
| + | </ | ||
| + | |||
| + | ---- | ||
| ===== Display Tidy Output ===== | ===== Display Tidy Output ===== | ||
| - | Multiple commands can be passed together. | + | Multiple commands can be passed together. |
| - | < | + | < |
| - | awk '/45/ {print $2,$3,$4} {print $1": " | + | awk '/45/ {print $2,$3,$4} {print $1": " |
| </ | </ | ||
| - | which will display something like: | + | returns: |
| < | < | ||
| Line 15: | Line 28: | ||
| 10: 45 | 10: 45 | ||
| - | Virginia | + | Virginia |
| 11: 45 | 11: 45 | ||
| Line 27: | Line 40: | ||
| </ | </ | ||
| - | | + | <WRAP info> |
| - | | + | **NOTE: |
| + | |||
| + | It also inserts new line after each two-line display. | ||
| + | |||
| + | </ | ||
| + | |||
| + | ---- | ||
| Certain escape sequences are supported, including: | Certain escape sequences are supported, including: | ||
| Line 46: | Line 65: | ||
| ===== Adding Text ===== | ===== Adding Text ===== | ||
| - | Additional text can be added to lines. | + | Additional text can be added to lines. |
| - | < | + | < |
| - | awk '/45/ {print "NAME: " | + | awk '/45/ {print "NAME: " |
| </ | </ | ||
| - | which will display something like: | + | returns: |
| < | < | ||
| NAME: Peter Terence Roux AGE: 45 | NAME: Peter Terence Roux AGE: 45 | ||
| - | NAME: Virginia | + | NAME: Virginia |
| </ | </ | ||
| - | The values between double quotes can be anything. | + | <WRAP info> |
| + | **NOTE: | ||
| + | </ | ||
| ---- | ---- | ||
| Line 65: | Line 87: | ||
| ===== Advanced Text Output ===== | ===== Advanced Text Output ===== | ||
| - | For more complex manipulation of text issue the following command: | + | < |
| - | + | awk '/45/ {printf ("%s %d %x %s\n", $2, | |
| - | < | + | |
| - | awk '/45/ {printf ("%s %d %x %s\n", $2, | + | |
| </ | </ | ||
| - | which will display something like: | + | returns: |
| < | < | ||
| Line 78: | Line 98: | ||
| </ | </ | ||
| - | The **printf** command can be used to handle more complex output requirements. | + | <WRAP info> |
| + | **NOTE: | ||
| This is the list of specifications supported by the printf command: | This is the list of specifications supported by the printf command: | ||
| Line 92: | Line 113: | ||
| |%x|Prints an unsigned hexadecimal number.| | |%x|Prints an unsigned hexadecimal number.| | ||
| |%%|Prints a percent sign; no conversion is performed.| | |%%|Prints a percent sign; no conversion is performed.| | ||
| + | |||
| + | |||
| + | </ | ||
| ---- | ---- | ||
awk/awk_output.1588634974.txt.gz · Last modified: 2020/07/15 09:30 (external edit)