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feat(pagination): implement paginated output

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Implement a `pager` config option. If configured, `cheat` will
automatically pipe output through the configured pager (where
appropriate).
This commit is contained in:
Chris Lane
2020-06-25 18:21:51 -04:00
parent 8e602b0e93
commit 59d5c96c24
9 changed files with 78 additions and 10 deletions
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7
cmd/cheat/cmd_directories.go
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@ -1,18 +1,20 @@
package main
import (
"bytes"
"fmt"
"os"
"text/tabwriter"
"github.com/cheat/cheat/internal/config"
"github.com/cheat/cheat/internal/display"
)
// cmdDirectories lists the configured cheatpaths.
func cmdDirectories(opts map[string]interface{}, conf config.Config) {
// initialize a tabwriter to produce cleanly columnized output
w := tabwriter.NewWriter(os.Stdout, 0, 0, 1, ' ', 0)
var out bytes.Buffer
w := tabwriter.NewWriter(&out, 0, 0, 1, ' ', 0)
// generate sorted, columnized output
for _, path := range conf.Cheatpaths {
@ -25,4 +27,5 @@ func cmdDirectories(opts map[string]interface{}, conf config.Config) {
// write columnized output to stdout
w.Flush()
display.Display(out.String(), conf)
}