"os"

	"github.com/minio/minio/internal/lock"
)

// AppendFile - appends the file "src" to the file "dst"
func AppendFile(dst string, src string, osync bool) error {
	appendFile, err := lock.Open(dst, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0o666)
	if err != nil {
		return err
	}
	defer appendFile.Close()

	srcFile, err := lock.Open(src, os.O_RDONLY, 0o666)
	if err != nil {
		return err
	}
	defer srcFile.Close()

			} else {
				kvsrc.Value = "off"
			}
		}
		res = append(res, madmin.IDPCfgInfo{
			Key:   kvsrc.Key,
			Value: kvsrc.Value,
			IsCfg: true,
			IsEnv: kvsrc.Src == config.ValueSourceEnv,
		})
	}

	if provCfg, exists := r.ProviderCfgs[cfgName]; exists && provCfg.RolePolicy != "" {
		// Append roleARN
		res = append(res, madmin.IDPCfgInfo{
			Key:   "roleARN",
			Value: provCfg.roleArn.String(),

	}
	if missing > 0 {
		out += ".truncated"
	} else {
		out += ".complete"
	}
	fmt.Println(missing, "bytes missing. Truncating", len(filled)-lastValid-1, "from end.")
	mapped = mapped[:lastValid+1]
	err := os.WriteFile(out, mapped, os.ModePerm)
	if err != nil {
		return err
	}
	fmt.Println("Wrote output to", out)
	return nil

 
<!--- Provide a general summary of the issue in the Title above -->

## Expected Behavior
<!--- If you're describing a bug, tell us what should happen -->
<!--- If you're suggesting a change/improvement, tell us how it should work -->

## Current Behavior
<!--- If describing a bug, tell us what happens instead of the expected behavior -->
<!--- If suggesting a change/improvement, explain the difference from current behavior -->

## Possible Solution

import (
	"errors"
	"strings"
)

var (
	errMalformedEscapeSequence  = errors.New("Malformed escape sequence in LIKE clause")
	errInvalidTrimArg           = errors.New("Trim argument is invalid - this should not happen")
	errInvalidSubstringIndexLen = errors.New("Substring start index or length falls outside the string")
)

const (
	percent    rune = '%'
	underscore rune = '_'
	runeZero   rune = 0
)

		if strings.HasPrefix(mpath, ppath) {
			// At this point if the mount point has a common prefix two conditions can happen.
			// - mount.Path matches exact with `path` means we can proceed no error here.
			// - mount.Path doesn't match (means cross-device mount), should error out.
			if mount.Path != path {
				crossMounts = append(crossMounts, mount)
			}
		}
	}

		if len(unknownPoliciesSet) > 0 {
			authz := newGlobalAuthZPluginFn()
			if authz == nil {
				// Print a warning that some policies mapped to a role are not defined.
				errMsg := fmt.Errorf(
					"The policies \"%s\" mapped to role ARN %s are not defined - this role may not work as expected.",
					unknownPoliciesSet.ToSlice(), arn.String())
				authZLogIf(ctx, errMsg, logger.WarningKind)
			}
		}

	}
	// Fallback to string
	v.setString(asString)
	return
}

// When numeric types are compared, type promotions could happen. If
// values do not have types (e.g. when reading from CSV), for
// comparison operations, automatic type conversion happens by trying
// to check if the value is a number (first an integer, then a float),
// and falling back to string.

	// Data blocks can vary per pool, but parity is same.
	for i, setDriveCount := range z.SetDriveCounts() {
		b.StandardSCData = append(b.StandardSCData, setDriveCount-scParity)
		b.RRSCData = append(b.RRSCData, setDriveCount-rrSCParity)
		b.DrivesPerSet = append(b.DrivesPerSet, setDriveCount)
		b.TotalSets = append(b.TotalSets, z.serverPools[i].setCount)
	}

	b.StandardSCParity = scParity
	b.RRSCParity = rrSCParity
	return
}

			return
		}

		metrics = make([]MetricV2, 0, 5)
		metrics = append(metrics, MetricV2{
			Description: getHealLastActivityTimeMD(),
			Value:       float64(time.Since(bgSeq.lastHealActivity)),
		})
		metrics = append(metrics, getObjectsScanned(bgSeq)...)
		metrics = append(metrics, getHealedItems(bgSeq)...)
		metrics = append(metrics, getFailedItems(bgSeq)...)
		return
	})
	return mg
}