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@cbrochtrup Add FIRE_PAGER environment variable for PAGER functionality #337

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@cbrochtrup Add FIRE_PAGER environment variable for PAGER functionality #337

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353da07
Add FIRE_PAGER environment variable for PAGER functionality without a…
Apr 27, 2021
12e3d9e
Document FIRE_PAGER
Apr 27, 2021
55fe6e6
Update fire/console/console_io.py
May 4, 2021
8f113c9
Update docs with a more portalbe command.
May 4, 2021
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4 changes: 4 additions & 0 deletions docs/using-cli.md
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Original file line number Diff line number Diff line change
Expand Up @@ -170,6 +170,10 @@ displayed.
The displayed help shows information about which Python component your command
corresponds to, as well as usage information for how to extend that command.

The environment variable, `FIRE_PAGER`, sets the default pager for help text
to the preferred program. For example, set `FIRE_PAGER=cat` to print help text
on standard out.


### `--trace`: Getting a Fire trace <a name="trace-flag"></a>

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6 changes: 5 additions & 1 deletion fire/console/console_io.py
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Expand Up @@ -83,7 +83,11 @@ def More(contents, out, prompt=None, check_pager=True):
return
if check_pager:
pager = encoding.GetEncodedValue(os.environ, 'PAGER', None)
if pager == '-':
fire_pager = encoding.GetEncodedValue(os.environ, 'FIRE_PAGER', None)
if fire_pager:
# FIRE_PAGER takes precedence to PAGER
pager = fire_pager
elif pager == '-':
# Use the fallback Pager.
pager = None
elif not pager:
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